Gjelten's rhymes with:
shelton's, carlton's, dalton's, daltons, fulton's, hamilton's, hamiltons, hilton's, hiltons, nettleton's, shackleton's, shackletons, shelton's, singleton's, sultan's, sultans, templeton's, walton's, waltons
Gjelten's sounds like:
gaulding, gelatinous, gilding, gladding, gliding, gloating, glutamic, gluttonous, gluttons, golden's, golding, goldman's, goldmans, goulding