あやしい (translations)→ dirty fit mysterious odd phony squirrelly weird wormy-looking
怪しい (translations)→ strangely unlikely wrong
怪しげな (translations)→ awesome bogus gibberish hocus-pocus indiscreet magic misty seedy sketchy steamy unsteady
疑い (translations)→ doubt recognition suspicion
疑わしい (translations)→ alleged suspected unconvinced unlikelihood
首をかしげる (translations)→ doubtful think wonder
不審な (translations)→ certain stray
妙な (translations)→ curious curiously dreadful eccentric false foolishly funny oddly particular peculiar perverse queer screwy singular some strange untoward unusual