P is the sixteenth letter of the modern Latin alphabet. Its name in English is spelled pee or occasionally pe ()"P" Oxford English Dictionary, 2nd edition (1989); Merriam-Webster's Third New International Dictionary of the English Language, Unabridged (1993); "pee," op. cit.. History The Semitic Pê (mouth), as well as the Greek ? or ? (Pi), and the Etruscan and Latin letters that developed from the former alphabet, all symbolized , a voiceless bilabial plosive. Usage In English and most other European languages, P is a voiceless bilabial plosive. Both initial and final Ps can be combined with many other discrete consonants in English words. A common example of assimilation is the tendency of prefixes ending in N to assume an M sound before Ps (such as "in" + "pulse" ? "impulse" — see also List of Latin words with English derivatives). A common digra