How many words start with GRE?

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

What is the highest scoring word that start with GRE?

GREEK at 10 points in Scrabble, and GREEK at 11 in Words With Friends, because the two games score the tiles differently.

GREAT, GREBE, GREBO, GRECE, GREED, GREEK, GREEN, GREES, GREET, GREGE and 7 more on this page.

17 of them: GREAT, GREBE, GREBO, GRECE, GREED, GREEK, GREEN, GREES, GREET, GREGE and more.

There are 17 of them. The highest scoring is GREEK at 10 points in Scrabble, and the set averages 7.3.

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.

GREAT adjective relatively large in size or number or extent
GREEN adjective of the color between blue and yellow in the color spectrum
GREED noun excessive desire to acquire or possess more (especially more material wealth) than one needs or deserves
GREET verb express greetings upon meeting someone
GREBE noun small compact-bodied almost completely aquatic bird that builds floating nests
GREYS noun form of GREY: any organization or party whose uniforms or badges are grey

Definitions from Open English WordNet, CC BY 4.0.

All of them: Word lists.