Verb form of the word 'apology' is–

The correct answer is (b) apologise. Word Form Analysis: — Noun: apology — Verb: apologise (British English) / apologize (American English) — Adjective: apologetic — Adverb: apologetically Usage: 'I want to apologise for my mistake.' ✗ apological — not a standard English word. ✗ apologify — incorrect; '-ify' suffix is used differently (e.g., beautify, clarify). ✗ enapology — completely incorrect formation. Note: Both 'apologise' and 'apologize' are correct depending on British/American spelling conventions. Source: Oxford English Dictionary; Merriam-Webster Dictionary.