Yes, gaps is a Scrabble word!

Verb

1. Make an opening or gap in

Noun

1. A conspicuous disparity or difference as between two figures

2. An open or empty space in or between things

3. A narrow opening

4. A pass between mountain peaks

5. A difference (especially an unfortunate difference) between two opinions or two views or two situations

6. An act of delaying or interrupting the continuity