8 letters
- iconical16
- inaction13
- incanted14
- inchoate14
- indolent12
- inhalant13
- innately13
- innocent14
- innovate14
- insectan13
- insolate10
- insolent11
- instance13
- internal11
- intonate10
- invocate16
- lactones13
- lactonic16
- lacunate14
- laitance13
- laminate13
- lanoline12
- latening13
- lavation14
- laxation17
- lections13
- legation12
- lenition11
- lentando12
- leptonic16
- localite13
- locating15
- location13
- locative16
- loricate12
- lunation12
- mannitol14
- melanian14
- monecian16
- narcotic15
- natation10
- national11
- nautical14
- necrotic15
- negation12
- nektonic17
- neonatal11
- neotenic13
- nicotine13
- nominate13
- nonelect14
- nonelite11
- nonfatal14
- nonideal12
- nonmetal14
- nontidal12
- nontitle11
- notarial10
- notional11
- occident16
- oceanaut13
- octangle15
- octantal13
- oriental10
- palatine13
- pentanol14
- pinnacle17
- placenta16
- plantain14
- platonic16
- poetical15
- raincoat12
- rational10
- reaction12
- reanoint10
- relation10
- sanction13
- santalic13
- scenical16
- societal12
- solanine11
- sonantal11
- sonantic13
- sonatina10
- sonatine10
- sonicate12
- taconite12
- tactical15
- tailbone13
- tailcoat12
- tailrace12
- talapoin13
- tannable14
- tantalic13
- tectonic15
- telsonic13
- tenacula14
- teocalli13
- toenails10
- uncinate14
- vacation16
- vaccinal20
- valencia17
- valiance17
- venation14
- volcanic20