barf / barff [barf]
barf – interj., n. & v. - interj. – expressing disgust; n. – 1. vomited food; 2. an attack of vomiting; v. tr. – vomit or retch
barff – adj. & v. tr. – adj.(barffed) – metal protected by the Bower-Barff process; v.tr. – to protect iron or steel with a coating of iron oxide, Fe3O4, by the Bower-Barff process (entered as a verb in 1934 edition of Websters)