How many words start with CY?

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

What is the highest scoring word that start with CY?

CYLIX at 17 points in Scrabble, and CYLIX at 18 in Words With Friends, because the two games score the tiles differently.

CYANO, CYANS, CYBER, CYCAD, CYCAS, CYCLE, CYCLO, CYDER, CYLIX, CYMAE and 8 more on this page.

There are 18 of them. The highest scoring is CYLIX at 17 points in Scrabble, and the set averages 11.7.

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.

CYCLE noun an interval during which a recurring sequence of events occurs
CYANS noun form of CYAN: a primary subtractive color for light
CYCAD noun any tropical gymnosperm of the order Cycadales
CYDER noun a beverage made from juice pressed from apples
CYLIX noun a shallow drinking cup with two handles
CYMAS noun form of CYMA: (architecture) a molding for a cornice
CYMES noun form of CYME: more or less flat-topped cluster of flowers in which the central or terminal flower opens first
CYNIC noun someone who is critical of the motives of others
CYSTS noun form of CYST: a closed sac that develops abnormally in some body structure

Definitions from Open English WordNet, CC BY 4.0.

All of them: Word lists.