diversion vs lark

diversion and lark both are nouns.

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

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

diversion (noun)	lark (noun)
an activity that diverts or amuses or stimulates	any carefree episode
a turning aside (of your course or attention or concern)	any of numerous predominantly Old World birds noted for their singing
an attack calculated to draw enemy defense away from the point of the principal attack	a songbird that lives mainly on the ground in open country; has streaky brown plumage
	North American songbirds having a yellow breast

diversion (verb)	lark (verb)
	play boisterously