deflate vs lessen

deflate and lessen both are verbs.

Word	Noun	Adjective	Verb	Adverb
deflate	No	No	Yes	No
lessen	No	No	Yes	No

As verbs, lessen is a hypernym of deflate; that is, lessen is a word with a broader meaning than deflate:

Other hypernyms of deflate include decrease, diminish, fall.

deflate (verb)	lessen (verb)
become deflated or flaccid, as by losing air	decrease in size, extent, or range
reduce or cut back the amount or availability of, creating a decline in value or prices	wear off or die down
produce deflation in	make become smaller
reduce or lessen the size or importance of
release contained air or gas from
collapse by releasing contained air or gas