8 letters
- narcotic15
- national11
- necrotic15
- negation12
- nektonic17
- neologic15
- neonatal11
- neotenic13
- nicotine13
- nominate13
- nonactor13
- noncling17
- nondance15
- nonelect14
- nonelite11
- nonfinal15
- nonfocal17
- nonideal12
- nonionic14
- nonlocal15
- nonmetal14
- nonnovel16
- nonpoint14
- nontidal12
- nontitle11
- nontonal12
- nontoxic20
- nonvocal18
- noontide11
- noontime13
- notation10
- notional11
- novation14
- oblation13
- occasion15
- occident16
- octangle15
- octanols13
- oilstone10
- oothecal14
- optional13
- oriental10
- pentanol14
- pinnacle17
- platonic16
- poetical15
- reaction12
- reanoint10
- relation10
- sanction13
- santonin11
- scenical16
- societal12
- solanine11
- solation10
- sonantic13
- sonatine10
- sonicate12
- stolonic13
- taconite12
- tailbone13
- tectonic15
- telsonic13
- tenoning13
- teocalli13
- toenails10
- uncinate14
- venation14
- vocation16
- volcanic20
- zonation19