The letters PFITH can spell a few short words in English :
I if it
hi
hip tip
fit hit pit
pi phi (Greek letters)
pith
The letters spell the word casino.
The letters spell the word geometrical.
The letters spell the word "freelance."
The letters APTRUSIS spell the word "upstairs."
These letters unscramble to spell the word herbal.
Those letters will spell the word vinegar.
The letters can spell the word publications (or No, a publicist!).
The letters spell the word temples.
The letters spell weary.
The letters spell 'broccoli'.
The letters spell the word obstruct.
The letters 'caitisl' unscrambled spell the word italics.