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Fréquences des lettres, bigrammes, trigrammes, quadrigrammes en français

  Les statistiques suivantes ont été élaborées à partir d'une réunion de textes comprenant plus d'un million de caractères. Les textes ont été choisis de sorte d'être les plus variés possibles. Parmi eux, on trouve des extraits de Balzac, Victor Hugo, Proust, Chateaubriand, Baudelaire, Alexandre Dumas, Saint-Exupéry, des articles d'encyclopédie concernant Barack Obama, François Hollande, l'Europe, l'aviation, la musique, la Première Guerre Mondiale, la crise économique, la sociologie, le sport, la biologie….
Fréquence des lettres
EASINTRLUODCM
17.35% 8.2% 7.93% 7.53% 7.17% 6.99% 6.65% 5.92% 5.73% 5.53% 4.01% 3.33% 2.97%
PVGFQHBXJYZKW
2.92% 1.39% 1.09% 1.08% 1.04% 0.93% 0.92% 0.47% 0.34% 0.31% 0.1% 0.06% 0.03%
Fréquence des bigrammes
ES
3.05%
LE
2.22%
DE
2.17%
RE
2.1%
EN
2.08%
ON
1.64%
NT
1.62%
ER
1.53%
TE
1.52%
ET
1.43%
EL
1.42%
AN
1.37%
SE
1.32%
LA
1.29%
AI
1.24%
NE
1.14%
OU
1.12%
QU
1.11%
ME
1.08%
IT
1.06%
IE
1.05%
EM
1.01%
ED
1.01%
UR
1.01%
IS
0.99%
EC
0.95%
UE
0.92%
TI
0.9%
RA
0.86%
NS
0.84%
IN
0.84%
TA
0.82%
CE
0.81%
AR
0.8%
EE
0.79%
EU
0.78%
SA
0.76%
CO
0.74%
EP
0.71%
ND
0.7%
IL
0.7%
SS
0.68%
ST
0.66%
SI
0.65%
TR
0.64%
AL
0.64%
UN
0.63%
PA
0.62%
AU
0.61%
EA
0.6%
AT
0.58%
MA
0.58%
RI
0.58%
SD
0.57%
SO
0.57%
US
0.57%
UI
0.56%
LL
0.53%
NC
0.53%
VE
0.53%
LI
0.52%
RO
0.51%
IO
0.51%
OR
0.5%
PE
0.48%
OI
0.48%
PR
0.47%
PO
0.46%
IR
0.46%
NA
0.45%
UT
0.44%
TD
0.44%
CH
0.44%
OM
0.43%
SP
0.43%
SL
0.42%
DA
0.42%
AS
0.42%
MO
0.41%
AC
0.4%
DI
0.4%
RS
0.39%
DU
0.39%
TL
0.38%
TO
0.38%
TS
0.38%
RT
0.37%
AM
0.37%
AP
0.37%
SC
0.36%
LO
0.36%
AV
0.35%
SU
0.35%
EV
0.34%
NO
0.33%
RL
0.33%
NI
0.32%
GE
0.31%
RD
0.31%
LU
0.31%
NN
0.3%
HE
0.29%
PL
0.28%
IQ
0.28%
EF
0.28%
MI
0.27%
VA
0.27%
TU
0.27%
VI
0.27%
CA
0.27%
EQ
0.26%
CI
0.26%
TT
0.26%
IC
0.25%
UX
0.25%
MM
0.25%
OL
0.24%
AG
0.24%
VO
0.24%
EI
0.24%
MP
0.23%
TP
0.23%
SM
0.23%
UL
0.22%
HA
0.22%
FI
0.21%
FA
0.21%
IM
0.21%
EG
0.21%
ID
0.2%
DO
0.2%
AD
0.2%
GR
0.19%
SQ
0.19%
AB
0.19%
BL
0.18%
UV
0.18%
IV
0.18%
NG
0.18%
TC
0.17%
IA
0.17%
OT
0.17%
CL
0.17%
RC
0.17%
RM
0.17%
OS
0.17%
OP
0.16%
CT
0.16%
FO
0.16%
UC
0.16%
UP
0.16%
RR
0.16%
JE
0.16%
HO
0.16%
UD
0.15%
CR
0.15%
EB
0.15%
EO
0.15%
IF
0.15%
FR
0.14%
RU
0.14%
UA
0.14%
NP
0.14%
IG
0.14%
BA
0.14%
BR
0.14%
OC
0.14%
CU
0.14%
FE
0.13%
UM
0.13%
EX
0.13%
BI
0.13%
BE
0.13%
GN
0.13%
MB
0.13%
AF
0.12%
HI
0.12%
EJ
0.12%
NF
0.12%
GI
0.12%
PP
0.12%
GA
0.11%
FF
0.11%
PU
0.11%
BO
0.11%
SF
0.11%
SR
0.11%
LS
0.11%
TQ
0.11%
OD
0.1%
PH
0.1%
TM
0.1%
DR
0.1%
NU
0.1%
NV
0.1%
RN
0.1%
PI
0.1%
OB
0.09%
GU
0.09%
NL
0.09%
OG
0.09%
JO
0.09%
IP
0.09%
TH
0.08%
RP
0.08%
SB
0.08%
JA
0.08%
NM
0.08%
SN
0.08%
YS
0.08%
MU
0.08%
UB
0.08%
VR
0.08%
SV
0.08%
YA
0.07%
XE
0.07%
RG
0.07%
EZ
0.07%
CC
0.07%
NQ
0.07%
IB
0.07%
SG
0.07%
NR
0.06%
AE
0.06%
RV
0.06%
LD
0.06%
EH
0.06%
SH
0.06%
AY
0.06%
PT
0.06%
OY
0.05%
XP
0.05%
DS
0.05%
RQ
0.05%
TF
0.05%
FL
0.05%
YE
0.05%
SJ
0.05%
LH
0.05%
JU
0.05%
LT
0.05%
FU
0.05%
UF
0.05%
AQ
0.05%
IX
0.05%
PS
0.05%
TN
0.05%
XI
0.05%
GO
0.05%
UG
0.04%
TJ
0.04%
TV
0.04%
RB
0.04%
UO
0.04%
LQ
0.04%
SY
0.04%
AA
0.04%
TB
0.04%
HU
0.04%
AJ
0.04%
BU
0.04%
OF
0.04%
XD
0.04%
RF
0.04%
LP
0.04%
NB
0.03%
UJ
0.03%
GL
0.03%
HY
0.03%
UU
0.03%
LN
0.03%
XA
0.03%
LY
0.03%
NH
0.03%
XT
0.03%
XC
0.03%
NJ
0.03%
OV
0.03%
II
0.03%
LC
0.03%
DD
0.03%
LF
0.03%
YC
0.03%
LM
0.02%
DM
0.02%
BS
0.02%
DH
0.02%
LG
0.02%
VU
0.02%
CD
0.02%
AH
0.02%
YP
0.02%
TY
0.02%
TG
0.02%
CS
0.02%
OQ
0.02%
XM
0.02%
LR
0.02%
ZE
0.02%
CK
0.02%
AO
0.02%
UQ
0.02%
CY
0.02%
WA
0.02%
KO
0.02%
XQ
0.02%
XL
0.02%
DL
0.02%
RJ
0.02%
IJ
0.02%
FS
0.02%
XS
0.02%
XV
0.02%
HR
0.01%
RY
0.01%
GT
0.01%
OE
0.01%
BJ
0.01%
GM
0.01%
LV
0.01%
HN
0.01%
IU
0.01%
EY
0.01%
XU
0.01%
NY
0.01%
KE
0.01%
AZ
0.01%
MD
0.01%
RH
0.01%
YO
0.01%
YR
0.01%
ZL
0.01%
ZO
0.01%
MY
0.01%
SW
0.01%
YM
0.01%
DP
0.01%
LB
0.01%
XO
0.01%
GS
0.01%
CQ
0.01%
RK
0.01%
OA
0.01%
MS
0.01%
OH
0.01%
ZA
0.01%
DC
0.01%
KA
0.01%
NZ
0.01%
XF
0.01%
DT
0.01%
PD
0.01%
YL
0.01%
ZV
0.01%
MN
0.01%
UH
0.01%
BT
0.01%
DJ
0.01%
XX
0.01%
YD
0.01%
EW
0.01%
OO
0.01%
XB
0.01%
ML
0.01%
GD
0.01%
YT
0.01%
EK
0.01%
ZD
0.01%
DY
0.01%
XN
0.01%
KI
0.01%
YN
0.01%
BB
0.01%
ZM
0.01%
CM
0.01%
AX
0.01%
CP
0.01%
LJ
0.01%
FD
0.01%
WE
0.01%
ZP
0.01%
UY
0.01%
YF
0.01%
AK
0.01%
HM
0.01%
ZI
0.01%
DN
0.01%
MT
0.01%
WI
0.01%
XR
0.01%
SX
0.01%
DQ
0.01%
XH
0%
IZ
0%
XG
0%
SK
0%
OJ
0%
KH
0%
HL
0%
OX
0%
ZC
0%
XJ
0%
OZ
0%
ZY
0%
DV
0%
AW
0%
DF
0%
LK
0%
PM
0%
ZU
0%
NK
0%
MC
0%
DG
0%
IH
0%
PC
0%
ZS
0%
FN
0%
CN
0%
BY
0%
CF
0%
GH
0%
KR
0%
TZ
0%
UZ
0%
RX
0%
SZ
0%
NW
0%
GG
0%
QA
0%
UK
0%
IK
0%
HS
0%
FM
0%
BD
0%
JC
0%
HT
0%
HB
0%
RW
0%
ZB
0%
YI
0%
OW
0%
FP
0%
ZQ
0%
RZ
0%
DB
0%
XY
0%
CV
0%
NX
0%
JI
0%
ZF
0%
ZR
0%
GC
0%
YV
0%
CB
0%
YB
0%
WO
0%
YG
0%
FC
0%
WT
0%
GY
0%
KL
0%
KM
0%
ZN
0%
VJ
0%
MR
0%
HC
0%
HD
0%
ZT
0%
XW
0%
FG
0%
GQ
0%
GP
0%
MQ
0%
KD
0%
DW
0%
OK
0%
KS
0%
ZH
0%
GF
0%
BV
0%
BN
0%
HV
0%
PF
0%
QC
0%
VD
0%
FB
0%
MJ
0%
WR
0%
IY
0%
HW
0%
CJ
0%
GB
0%
YU
0%
HP
0%
FQ
0%
PY
0%
JY
0%
TW
0%
QM
0%
TK
0%
WY
0%
YJ
0%
BP
0%
TX
0%
VT
0%
VL
0%
HF
0%
WB
0%
BM
0%
GV
0%
FH
0%
WS
0%
FT
0%
MF
0%
PQ
0%
WN
0%
KY
0%
WH
0%
ZZ
0%
ZJ
0%
IW
0%
PN
0%
KB
0%
KC
0%
KP
0%
KU
0%
ZG
0%
YQ
0%
VC
0%
LW
0%
LZ
0%
YK
0%
MG
0%
MV
0%
HQ
0%
VS
0%
HJ
0%
PG
0%
PV
0%
CG
0%
MH
0%
DK
0%
WW
0%
QD
0%
BH
0%
ZK
0%
PJ
0%
JR
0%
CZ
0%
YZ
0%
QP
0%
HK
0%
VF
0%
JH
0%
HH
0%
VP
0%
MX
0%
LX
0%
QE
0%
YH
0%
QO
0%
KX
0%
GK
0%
QL
0%
VQ
0%
CW
0%
BC
0%
VG
0%
QB
0%
QF
0%
BG
0%
YX
0%
WD
0%
XZ
0%
UW
0%
HG
0%
KW
0%
KV
0%
WM
0%
WL
0%
KT
0%
KQ
0%
VM
0%
PB
0%
QH
0%
WP
0%
MW
0%
WQ
0%
QG
0%
JB
0%
MK
0%
VK
0%
FY
0%
WU
0%
VN
0%
QS
0%
PK
0%
DX
0%
PW
0%
JK
0%
QR
0%
JP
0%
JQ
0%
YW
0%
GJ
0%
YY
0%
DZ
0%
BF
0%
JS
0%
VV
0%
VY
0%
XK
0%
GW
0%
VB
0%
GZ
0%
FJ
0%
FK
0%
FV
0%
KN
0%
KK
0%
KJ
0%
KF
0%
BK
0%
PZ
0%
QY
0%
FW
0%
JD
0%
JF
0%
FX
0%
JG
0%
CX
0%
QX
0%
WV
0%
QQ
0%
WX
0%
JJ
0%
QW
0%
WZ
0%
BX
0%
VW
0%
PX
0%
JL
0%
JM
0%
JN
0%
VX
0%
FZ
0%
VZ
0%
VH
0%
QN
0%
WC
0%
BQ
0%
QV
0%
JT
0%
JV
0%
JW
0%
KZ
0%
WF
0%
WG
0%
GX
0%
QK
0%
QJ
0%
WJ
0%
WK
0%
BW
0%
QT
0%
HX
0%
HZ
0%
MZ
0%
KG
0%
QI
0%
BZ
0%
QZ
0%
ZW
0%
ZX
0%
JZ
0%
JX
0%
Fréquence des trigrammes et des quadrigrammes
Trigrammes
Quadrigrammes
ENT0.84% DAN0.24% TION0.33% AVAI0.09%
QUE0.69% NCE0.24% MENT0.31% TOUT0.09%
LES0.66% SSE0.23% IQUE0.26% TEDE0.09%
EDE0.62% SLE0.23% EMEN0.25% ENTS0.09%
DES0.53% IER0.23% DELA0.23% ETTE0.09%
ELA0.45% ELL0.23% ELLE0.21% ESEN0.09%
ION0.44% RAN0.22% DANS0.18% NTLE0.09%
AIT0.44% COM0.21% ATIO0.18% RAND0.08%
RES0.44% UEL0.21% ESDE0.17% EURS0.08%
EME0.4% TAI0.21% QUEL0.17% TLES0.08%
LLE0.4% TES0.21% POUR0.16% TRES0.08%
ELE0.4% MME0.21% OMME0.16% TDES0.08%
DEL0.39% SET0.2% EDES0.15% GRAN0.08%
ERE0.39% AND0.2% ONDE0.14% VAIT0.08%
ANT0.39% ETE0.2% EQUE0.13% NSLE0.08%
ESE0.38% TLE0.2% COMM0.13% ESSE0.08%
SDE0.37% TEN0.2% EPAR0.13% LEDE0.08%
MEN0.36% URE0.19% ENTE0.12% PARL0.08%
TRE0.36% RLE0.19% ILLE0.12% SDES0.08%
EST0.35% SEN0.19% EDEL0.12% SENT0.08%
OUR0.35% LEM0.19% QUES0.12% ETRE0.08%
PAR0.34% ERA0.19% IONS0.12% TANT0.08%
TIO0.33% POU0.19% ANSL0.12% ANTE0.08%
NTE0.32% EAU0.19% ETAI0.12% OUVE0.08%
EUR0.32% SQU0.19% IENT0.12% LLES0.08%
NDE0.3% CES0.19% AIRE0.12% PORT0.08%
ONS0.3% INE0.19% PRES0.11% TIQU0.08%
TDE0.28% EMA0.19% SLES0.11% ETDE0.08%
CON0.28% OMM0.19% ELES0.11% LESE0.08%
IQU0.28% ANC0.19% ONNE0.11% ARTI0.08%
AIS0.27% ESO0.18% ESET0.11% LESP0.08%
UNE0.27% ILL0.18% IOND0.11% ENTR0.08%
IEN0.27% NNE0.18% ENTA0.11% AIEN0.07%
QUI0.27% EPA0.18% NTDE0.1% AVEC0.07%
ESA0.27% ONN0.18% PLUS0.1% DELE0.07%
ESD0.27% TER0.18% ECON0.1% PART0.07%
ANS0.27% CHE0.18% LEUR0.1% SDEL0.07%
EQU0.26% NES0.18% ANCE0.1% ENTI0.07%
ITE0.26% TOU0.18% ENTD0.1% URLE0.07%
ONT0.26% ALE0.18% EQUI0.1% ECOM0.07%
ESP0.25% ECE0.18% TAIT0.1% ENTL0.07%
IRE0.25% DEC0.17% MAIS0.09% QUIL0.07%
ATI0.25% AIN0.17% NTRE0.09% EPOU0.07%
SON0.25% OUS0.17% LEME0.09% RANC0.07%
EET0.25% ENE0.17% SQUE0.09% SONT0.07%
ESS0.25% ESC0.17% REDE0.09% CONT0.07%
OND0.25% MAI0.17% IERE0.09% EPRE0.07%
ECO0.24% NTA0.17% ANDE0.09% ESPA0.07%
ETA0.24% SES0.17% ENCE0.09% CONS0.07%
PRE0.24% ISE0.17% RLES0.09% RAIT0.07%