lave vs freshen up

lave and freshen up both are verbs.

Word	Noun	Adjective	Verb	Adverb
lave	No	No	Yes	No
freshen up	No	No	Yes	No

As verbs, freshen up is a hypernym of lave; that is, freshen up is a word with a broader meaning than lave:

Other hypernyms of lave include freshen, refresh, refreshen.

lave (verb)	freshen up (verb)
cleanse (one's body) with soap and water	become or make oneself fresh again
wash one's face and hands	make brighter and prettier
wash or flow against