sospechoso
/sospeˈt͡ʃoso/ · A2 · adj
suspicious, suspect, fishy, shady, sketchy
🐟 sospech-oso = suspect + -ous: someone full of suspicion
From sospecha (suspicion) + the suffix -oso (English -ous). Same Latin root as suspect: suspectare, to look at from below, to mistrust. English calls it fishy; Spanish calls it suspicion-full.