oriole vs lark

oriole and lark both are nouns.

Word	Noun	Adjective	Verb	Adverb
oriole	Yes	No	No	No
lark	Yes	No	Yes	No

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

oriole (noun)	lark (noun)
American songbird; male is black and orange or yellow	any carefree episode
mostly tropical songbird; the male is usually bright orange and black	any of numerous predominantly Old World birds noted for their singing
	a songbird that lives mainly on the ground in open country; has streaky brown plumage
	North American songbirds having a yellow breast

oriole (verb)	lark (verb)
	play boisterously