Yes, nearer is a Scrabble word!

Adverb

1. (comparative of `near' or `close') within a shorter distance

Adjective

1. Not far distant in time or space or degree or circumstances

2. Being on the left side

3. Closely resembling the genuine article

4. Giving or spending with reluctance

5. With or in a close or intimate relationship

6. Very close in resemblance