Words with Letters: i n e f f i c i e n c y inefficiency 21efficiency 19fennec 11cynic 8fence 10fenny 7ficin 10finny 7niece 7yince 6cine 6eyen 3 eyne 3fice 9fief 10fife 10fine 7fyce 8iffy 9neif 7nene 4nice 6nine 4cee 5eff 9eye 2fee 6fen 6fey 5fie 6fin 6ice 5 icy 4iff 9inn 3nee 3yen 2yin 2ef 5en 2fe 5if 5in 2ne 2ye 1