Interim and While

Interim noun - A break in continuity.

While and interim are semantically related In some cases you can use "While" instead the word "Interim" as a noun or an adverb.

While noun - An indefinite but usually short period of time.

Interim and while are semantically related in duration topic. You can use "Interim" instead the word "While" as a noun or an adverb, if it concerns topics such as time interval.