seasnail vs winkle

seasnail and winkle both are nouns.

Word	Noun	Adjective	Verb	Adverb
seasnail	Yes	No	No	No
winkle	Yes	No	Yes	No

As nouns, winkle is a hyponym of seasnail; that is, winkle is a word with a more specific, narrower meaning than seasnail:

seasnail: any of several creeping marine gastropods with a spirally coiled shell: whelks, tritons, moon shells, neritids
winkle: edible marine gastropod

Other hyponyms of seasnail include neritid, neritid gastropod, whelk, triton, moon shell, moonshell, periwinkle, limpet.

seasnail (noun)	winkle (noun)
small tadpole-shaped cold-water fishes with pelvic fins forming a sucker; related to lumpfish	edible marine gastropod
any of several creeping marine gastropods with a spirally coiled shell: whelks, tritons, moon shells, neritids	small edible marine snail; steamed in wine or baked

seasnail (verb)	winkle (verb)
	remove or displace from a position
	gleam or glow intermittently
	emit or reflect light in a flickering manner