Just
Part of speech: adjective
Definition: factually fair; correct; proper. morally fair; upright; righteous, equitable.
Part of speech: adverb
Definition: Only, simply, merely Moments ago, recently By a narrow margin; closely; nearly exactly, perfectly
Part of speech: noun
Definition: A joust, tournament
Part of speech: verb
Definition: To joust, fight a tournament
Example sentence: But I say to you, Love your enemies and pray for those who persecute you, so that you may be sons of your Father who is in heaven; for he makes his sun rise on the evil and on the good, and sends rain on the just and on the unjust.
Merely
Part of speech: adverb
Definition: only, just, and nothing more
Example sentence: Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are.