Ex-hort, annog, cynghori; rhybuddio

Ex-haust, dyhysbyddu; blino

Ex-ile, alldudiaeth; alldud: alldudio, deol

Ex-ist, bod, hanfod; byw; aros

Ex-it, ymadawiad, mynediad allan; terfyn

Ex-pand, lledu, taenu; agor

Ex-panse, eangder; ymlediad

Ex-pect, dysgwyl; aros; gobeithio

Ex-pel, bwrw allan; ymlid ymaith

Ex-pend, treulio, gwario, costio