"a mouthful, lump," late 14c., from gobbet.
gob (n.2)
"mouth," 1540s, from Irish gob "mouth," and thus related to the other English noun gob (also see gobbet). Gob-stopper "type of large hard candy" is from 1928.
a gob of phlegm
goatee
goatherd
goatish
goatskin
goaty
gob
gobbet
gobble
gobbledygook
gobbler
go-between