Okay
Part of speech: noun
Definition: See OK
Part of speech: verb
Definition: See OK
Part of speech: adjective
Definition: See OK
Part of speech: adverb
Definition: See OK
Part of speech: interjection
Definition: See OK
Example sentence: Wherever I go, as long as I get a hot vegetable dish, I am okay. If I am in Gujarat, I have Gujarati food. If it's Shillong, it's northeastern.
Alright
Part of speech: adjective
Definition: Good; in acceptable, if not excellent condition.
Example sentence: As much time and effort, emotion, anger, love, joy that you put into another human being, you're not guaranteed to receive that back. And that's OK. That's alright.