nubbiest

nubbin

nubbins

nubble

nubbles

nubblier

nubbliest

nubbly

nubby

obbligati

obbligato

obbligatos

outthrobbed

outthrobbing

overdubbed

overdubbing

pebble

pebbled

pebbles

pebblier

pebbliest

pebbling

pebbly

prefabbed

prefabbing

psychobabble

psychobabbled

psychobabbler

psychobabblers

psychobabbles

psychobabbling

pubbing

pubbings

quibble

quibbled

quibbler

quibblers

quibbles

quibbling

rabbet

rabbeted

rabbeting

rabbets

rabbi

rabbies

rabbin

rabbinate

rabbinates

rabbinic

rabbinical