Nouns

(n)good luck, fluke, good fortunea stroke of luck
(n)flukea barb on a harpoon or arrow
(n)fluke, flueflat bladelike projection on the arm of an anchor
(n)flukeeither of the two lobes of the tail of a cetacean
(n)fluke, trematode, trematode wormparasitic flatworms having external suckers for attaching to a host