slim down vs slenderize

slim down and slenderize both are verbs.

Word	Noun	Adjective	Verb	Adverb
slim down	No	No	Yes	No
slenderize	No	No	Yes	No

As verbs, slim down and slenderize are synonyms defined as:

Other synonyms of slim down include melt off, reduce, slim, thin.

slim down (verb)	slenderize (verb)
take off weight	take off weight
	make slender or appear to be slender