slenderize vs slim down

slenderize and slim down both are verbs.

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

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

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

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