suspicious vs leery

suspicious and leery both are adjectives.

Word	Noun	Adjective	Verb	Adverb
suspicious	No	Yes	No	No
leery	No	Yes	No	No

As adjectives, suspicious and leery are synonyms defined as:

Other synonyms of suspicious include mistrustful, untrusting, wary.

suspicious (adjective)	leery (adjective)
openly distrustful and unwilling to confide	openly distrustful and unwilling to confide
not as expected