smarten up vs spruce up

smarten up and spruce up both are verbs.

Word	Noun	Adjective	Verb	Adverb
smarten up	No	No	Yes	No
spruce up	No	No	Yes	No

As verbs, smarten up and spruce up are synonyms defined as:

smarten up and spruce up: dress and groom with particular care, as for a special occasion

Other synonyms of smarten up include slick up, spruce.

As verbs, smarten up and spruce up are synonyms defined as:

Other synonyms of smarten up include slick up, spiff up, spruce, titivate, tittivate.

smarten up (verb)	spruce up (verb)
dress and groom with particular care, as for a special occasion	dress and groom with particular care, as for a special occasion
make neat, smart, or trim	make neat, smart, or trim