How many words start with LUN?

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

What is the highest scoring word that start with LUN?

LUNCH at 10 points in Scrabble, and LUNCH at 13 in Words With Friends, because the two games score the tiles differently.

LUNAR, LUNAS, LUNCH, LUNES, LUNET, LUNGE, LUNGI, LUNGS, LUNKS, LUNTS.

10 of them: LUNAR, LUNAS, LUNCH, LUNES, LUNET, LUNGE, LUNGI, LUNGS, LUNKS, LUNTS.

There are 10 of them. The highest scoring is LUNCH at 10 points in Scrabble, and the set averages 6.2.

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.

LUNCH verb take the midday meal
LUNAR adjective of or relating to or associated with the moon
LUNGS noun form of LUNG: either of two saclike respiratory organs in the chest of vertebrates
LUNGE noun the act of moving forward suddenly
LUNGI noun a long piece of brightly colored cloth (cotton or silk) used as clothing (a skirt or loincloth or sash etc.) in India and Pakistan and Burma

Definitions from Open English WordNet, CC BY 4.0.

All of them: Word lists.