How many words start with THR?

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

What is the highest scoring word that start with THR?

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

THRAE, THRAW, THREE, THREW, THRID, THRIP, THROB, THROE, THROW, THRUM.

10 of them: THRAE, THRAW, THREE, THREW, THRID, THRIP, THROB, THROE, THROW, THRUM.

There are 10 of them. The highest scoring is THRAW at 11 points in Scrabble, and the set averages 9.6.

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

The most familiar words on this page and what they mean. Tap any word for its full entry, score and anagrams.

THREE noun the cardinal number that is the sum of one and one and one
THROW verb propel through the air
THRIP noun any of various small to minute sucking insects with narrow feathery wings if any
THROB verb pulsate or pound with abnormal force
THROE noun severe spasm of pain
THRUM verb sound with a monotonous hum

Definitions from Open English WordNet, CC BY 4.0.

All of them: Word lists.