How many words start with PH?

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

What is the highest scoring word that start with PH?

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

PHAGE, PHANG, PHARE, PHARM, PHASE, PHEER, PHENE, PHEON, PHESE, PHIAL and 12 more on this page.

There are 22 of them. The highest scoring is PHLOX at 17 points in Scrabble, and the set averages 11.2.

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.

PHONE noun electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds
PHOTO noun a representation of a person or scene in the form of a print or transparent slide or in digital format
PHASE noun any distinct time period in a sequence of events
PHAGE noun a virus that is parasitic (reproduces itself) in bacteria
PHLOX noun any polemoniaceous plant of the genus Phlox
PHONS noun form of PHON: a unit of subjective loudness
PHONY noun a person who professes beliefs and opinions that he or she does not hold in order to conceal his or her real feelings or motives
PHOTS noun form of PHOT: a unit of illumination equal to 1 lumen per square centimeter
PHYLE noun a tribe of ancient Athenians

Definitions from Open English WordNet, CC BY 4.0.

All of them: Word lists.