How many words start with TRA?

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

What is the highest scoring word that start with TRA?

TRANQ at 14 points in Scrabble, and TRANQ at 15 in Words With Friends, because the two games score the tiles differently.

TRABS, TRACE, TRACK, TRACT, TRADE, TRADS, TRAGI, TRAIK, TRAIL, TRAIN and 17 more on this page.

27 of them: TRABS, TRACE, TRACK, TRACT, TRADE, TRADS, TRAGI, TRAIK, TRAIL, TRAIN and more.

There are 27 of them. The highest scoring is TRANQ at 14 points in Scrabble, and the set averages 7.1.

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.

TRACK noun a line or route along which something travels or moves
TRADE noun the commercial exchange (buying and selling on domestic or international markets) of goods and services
TRAIN verb create by training and teaching
TRAIL verb to lag or linger behind
TRACE verb follow, discover, or ascertain the course of development of something
TRASH noun worthless material that is to be disposed of
TRACT noun an extended area of land
TRAPS noun form of TRAP: a device in which something (usually an animal) can be caught and penned
TRAYS noun form of TRAY: an open receptacle for holding or displaying or serving articles or food
TRAIT noun a distinguishing feature of your personal nature

Definitions from Open English WordNet, CC BY 4.0.

All of them: Word lists.