1: ἀνόητος
(Strong's #453 — Adjective — anoetos — an-o'-ay-tos )

is translated "unwise" in Romans 1:14 , AV; see FOOLISH , No. 2.

2: ἄφρων
(Strong's #878 — Adjective — aphron — af'-rone )

is translated "unwise" in Ephesians 5:17 , AV; see FOOLISH , No. 1.

3: ἄσοφος
(Strong's #781 — Adjective — asophos — as'-of-os )

a, negative, is rendered "unwise" in Ephesians 5:15 , RV (AV, "fools").