Just-Only | Commonly Confused Words

Just

/dʒʌst/

Used to describe something that is exactly or only what is specified

And yesterday things went on just as usual.See if you can distinguish a just motive for this prosecution.Just what else could a fellow do, though?

This word has no antonyms

/ˈəʊnli/

Used to indicate that there is not more of something or that a situation is limited to a single thing or person.

And he has only one hand.'Indeed, it was my only successful voyage.If only she wasn't so sleepy.

Just often implies a sense of immediacy or recent action, whereas only suggests exclusivity or limitation.
Think of just as pointing to time or fairness, like someone just arrived or is just in their actions.
Use only when you want to assert that something is limited or the sole option, such as He is the only one.