Still uneasy about ptyalism, he gave her cream of tartar all day, but at night it was thrown up as before, without moving the bowels.
"The History of the Medical Department of Transylvania University"
Robert Peter
P, written with an audible consonant, is sometimes itself silent; as in psalm, psalter, pseudography, psychology, ptarmigan, ptyalism, receipt, corps.
"The Grammar of English Grammars"
Goold Brown