How many words start with IN?

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

What is the highest scoring word that start with IN?

INFIX at 15 points in Scrabble, and INBOX at 16 in Words With Friends, because the two games score the tiles differently.

INANE, INAPT, INARM, INBOX, INBYE, INCLE, INCOG, INCUR, INCUS, INCUT and 43 more on this page.

53 of them: INANE, INAPT, INARM, INBOX, INBYE, INCLE, INCOG, INCUR, INCUS, INCUT and more.

There are 53 of them. The highest scoring is INFIX at 15 points in Scrabble, and the set averages 6.9.

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.

INDEX noun a numerical scale used to compare variables with one another or with some reference number
INPUT noun signal going into an electronic system
INNER adjective located inward
INTER verb place in a grave or tomb
INTRO noun formally making a person known to another or to the public
INDIE noun a pop group not affiliated with a major record company
INLET noun an arm off of a larger body of water (often between rocky headlands)
INCUR verb make oneself subject to
INFOS noun form of INFO: a message received and understood
INFRA adverb (in writing) at a later place

Definitions from Open English WordNet, CC BY 4.0.

All of them: Word lists.