1: ἔχω
(Strong's #2192 — Verb — echo — ekh'-o )

"to have," is rendered "could" in Mark 14:8 , "she hath done what she could," lit., "she hath done what she had." See HAVE.

2: ἰσχύω
(Strong's #2480 — Verb — ischuo — is-khoo'-o )

"to have strength," is translated in Mark 14:37 "couldest thou not." See ABLE.

Acts 22:11BEHOLD.CAN