How many words start with AH?

10, from 5 letters up to 5. All of them are on this page.

What is the highest scoring word that start with AH?

AHIGH at 12 points in Scrabble, and AHIGH at 11 in Words With Friends, because the two games score the tiles differently.

AHEAD, AHEAP, AHENT, AHIGH, AHIND, AHING, AHINT, AHOLD, AHULL, AHURU.

10 of them: AHEAD, AHEAP, AHENT, AHIGH, AHIND, AHING, AHINT, AHOLD, AHULL, AHURU.

There are 10 of them. The highest scoring is AHIGH at 12 points in Scrabble, and the set averages 9.0.

Most common words first, then the rest A to Z.

All of them: Word lists.