choker vs ruff

choker and ruff both are nouns.

Word	Noun	Adjective	Verb	Adverb
choker	Yes	No	No	No
ruff	Yes	No	Yes	No

As nouns, choker and ruff are synonyms defined as:

Other synonyms of choker include neck ruff, ruffle.

choker (noun)	ruff (noun)
a high tight collar	(card games) the act of taking a trick with a trump when unable to follow suit
necklace that fits tightly around a woman's neck	common Eurasian sandpiper; the male has an erectile neck ruff in breeding season
someone who kills by strangling	a high tight collar
an unfortunate person who is unable to perform effectively because of nervous tension or agitation	an external body part consisting of feathers or hair about the neck of a bird or other animal

choker (verb)	ruff (verb)
	play a trump