puzzling vs perplexing

puzzling and perplexing both are adjectives.

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

As adjectives, puzzling and perplexing are synonyms defined as:

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

Other synonyms of puzzling include confusing.

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