Unpractised and Unapt

Unpractised adjective - Not having had extensive practice.

Unapt and unpractised are semantically related. In some cases you can replace term "Unapt" with "Unpractised", this adjectives are similar.

Unapt adjective - Not appropriate for a particular occasion or situation.

Unpractised and unapt are semantically related. Sometimes you can use "Unpractised" instead an adjective "Unapt".