soften vs sharpen

soften and sharpen both are verbs.

Word	Noun	Adjective	Verb	Adverb
soften	No	No	Yes	No
sharpen	No	No	Yes	No

soften (verb)	sharpen (verb)
become soft or softer	become sharp or sharper
make soft or softer	make crisp or more crisp and precise
lessen in force or effect	raise the pitch of (musical notes)
make less severe or harsh	put (an image) into focus
protect from impact	make (one's senses) more acute
make (images or sounds) soft or softer	give a point to
give in, as to influence or pressure	make sharp or sharper
	make (images or sounds) sharp or sharper