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Definition iff

Conjunction

iff

  1. (mathematics, logic) if and only if; used to show that the truth values of two statements are the same.

Conjunction

iff

  1. Obsolete spelling of if.

Results 430 Words with the letters IFF

2 3 4 5 6 7 8 9 10
8 letter words with the letters IFF 
7 letter words with the letters IFF 
6 letter words with the letters IFF 
AFFAIR 12
AFFINE 13
AFFIRM 15
BIFFED 16
BIFFIN 16
BOFFIN 16
CLIFFS 16
CLIFFY 18
COFFIN 16
COIFFE 15
DIFFER 13
EFFIGY 16
FIFERS 12
FIFING 15
FIFTHS 14
FITFUL 14
FULFIL 15
GLIFFS 15
GONIFF 15
GRIFFE 14
GRIFFS 14
HAFFIT 14
IFFIER 12
KAFFIR 16
MAFFIA 15
MIFFED 16
MUFFIN 17
NIFFER 13
OFFICE 15
OFFING 15
OFFISH 14
PIAFFE 15
PIFFLE 16
PILAFF 16
PUFFIN 17
QUIFFS 22
RAFFIA 12
RIFFED 13
RIFFLE 13
RIPOFF 15
SKIFFS 16
SNIFFS 13
SNIFFY 15
SOFFIT 12
SPIFFS 15
SPIFFY 17
SPLIFF 16
STIFFS 12
SUFFIX 20
TAFFIA 12
TARIFF 12
TIFFED 13
TIFFIN 13
TIPOFF 15
WAFFIE 15
WHIFFS 17
ZAFFIR 21
5 letter words with the letters IFF 
AFFIX 18
BIFFS 14
BIFFY 16
BUFFI 15
CLIFF 15
FIEFS 11
FIFED 12
FIFER 11
FIFES 11
FIFTH 13
FIFTY 13
GLIFF 14
GRIFF 13
JIFFS 20
JIFFY 22
MIFFS 14
MIFFY 16
QUIFF 21
RIFFS 11
SKIFF 15
SNIFF 12
SPIFF 14
STIFF 11
TIFFS 11
WHIFF 16
4 letter words with the letters IFF 
BIFF 13
DIFF 11
FIEF 10
FIFE 10
IFFY 12
JIFF 19
MIFF 13
RIFF 10
TIFF 10
3 letter words with the letters IFF 
IFF 9
2 letter words with the letters IFF 
FI 5
IF 5

You can also try words with the phrase IFF, words starting with the letters IFF, or words ending in the letters IFF.