- anal
- annal
- annual
- annul
- annular
- apollo
- appall
- aural
- auroral
- larrup
- llano
- loan
- loll
- lollop
- loon
- loop
- luau
- lull
- lulu
- luna
- lunar
- lunula
- lunular
- nonpolar
- null
- opal
- oral
- orlop
- pall
- pallor
- palp
- papal
- parlor
- parol
- plan
- planar
- plop
- plural
- polar
- poll
- polo
- pool
- poplar
- popular
- propanol
- pull
- pulp
- pupal
- purl
- roll
- rural
- ulna
- ulnar
- unpopular
- unroll