turn up vs fold up

turn up and fold up both are verbs.

Word	Noun	Adjective	Verb	Adverb
turn up	No	No	Yes	No
fold up	No	No	Yes	No

As verbs, turn up and fold up are synonyms defined as:

Other synonyms of turn up include fold.

turn up (verb)	fold up (verb)
appear or become visible; make a showing	become folded or folded up
bend or lay so that one part covers the other	bend or lay so that one part covers the other
find by digging in the ground
discover the location of; determine the place of; find by searching or examining
be shown or be found to be