perplexing vs puzzling

perplexing and puzzling both are adjectives.

Word	Noun	Adjective	Verb	Adverb
perplexing	No	Yes	No	No
puzzling	No	Yes	No	No

As adjectives, perplexing and puzzling are synonyms defined as:

perplexing and puzzling: lacking clarity of meaning; causing confusion or perplexity

Other synonyms of perplexing include confusing.

perplexing (adjective)	puzzling (adjective)
lacking clarity of meaning; causing confusion or perplexity	not clear to the understanding
	lacking clarity of meaning; causing confusion or perplexity