Only and Unassisted

Only adjective - Having no equal or rival for excellence or desirability.

Unassisted and only are semantically related In some cases you can use "Unassisted" instead the word "Only" as an adjective or an adverb.

Unassisted adjective - Unsupported by other people.

Only and unassisted are semantically related in separate topic. Sometimes you can use "Only" instead the word "Unassisted" as an adjective or an adverb, if it concerns topics such as alone.