These following words that start with the letter'O' and end in the letter 'P' can be found in the Oxford English Dictionary for Schools.
Some more words that start with O and end with P are:
Pyro
pretty
There are no words in the English language that start with a P and end with a Q.
end up (if a two word answer is acceptable)
Peppercorn, Pronghorn, Porn and Popcorn start with P and end with 'orn'.
a word that is similar to hate and starts with a p can be pique!
Some five letter words that start with P and end with Y are:paddypalsypansypantypappyparryPartypastypatsypattypennypeppyperkypeskypettyphonypickypiggypithypoesypokeypoppyporkyportlypottypoutyprivyproxypudgypuffypulpypushyputtypygmy
"Psychologist" is a word that starts with a p and means counselor.
No English word meets that criteria. However, there are two words that end with Q: tranq, umiaq.
piano
There are three phonemes in the word 'poke', as the 'e' on the end does not produce its own sound. The letters and letter blends producing the phonemes are p / o / ke.
The two Greek letters that begin with P and have three letters are PHI and PSI. There are no Greek letters that end with S.