ALL - Intensifier.
ANY - To even the slightest extent, at all.
FAN - A hand-held device consisting of concertinaed material, or slats of material, gathered together at one end, that may be opened out into the shape of a sector of a circle and waved back and forth in order to move air towards oneself and cool oneself.
FLY - Any insect of the order Diptera; characterized by having two wings, also called true flies.
ILL - Extremely bad (bad enough to make one ill). Generally used indirectly with to be.
NAY - No.
YIN - The essential female principle in some Eastern religions and philosophies.
FAIL - To be unsuccessful.
FALL - To move to a lower position under the effect of gravity.
FILL - To occupy fully, to take up all of.
NAIL - To drive a nail.
LILY - Any of several flowers in the genus Lilium of the family Liliaceae, which includes a great many ornamental species.
LAIN - Past participle of lie (oriented in a horizontal position, situated).
FLAY - To cause to fly; put to flight; drive off (by frightening).
FLAN - Baked tart with sweet or savoury filling in an open-topped pastry case (the only meaning in UK).
FINAL - The ending, the last.
FLAIL - A tool used for threshing, consisting of a long handle with a shorter stick attached with a short piece of chain, thong or similar material.
FILLY - A young female horse.
INLAY - The material placed within a different material in the form of a decoration.
FINALLY - At the end or conclusion; ultimately.