Results: 48 words
FINAL​8
FINDS​9
KNIFE​12
FINES​8
FLINT​8
FAINT​8
FUNGI​9
NIFTY​11
INFOS​8
FINCH​13
FINED​9
FINER​8
INFRA​8
INFER​8
SNIFF​11
UNFIT​8
FLING​9
FIEND​9
UNIFY​11
FINCA​10
FINIS​8
ELFIN​8
INFIX​15
FEIGN​9
FAGIN​9
FEINT​8
FINNY​11
FINKS​12
FUNDI​9
FAINE​8
FINOS​8
ENFIX​15
FAINS​8
FENIS​8
FICIN​10
FIENT​8
FIRNS​8
FITNA​8
FOINS​8
GONIF​9
NAIFS​8
NEIFS​8
NIEFS​8
NIFES​8
NIFFS​11
NIFFY​14
SNIFT​8
UNFIX​15