9 letters
- insertion11
- instanced15
- integrand14
- interclan15
- interdict14
- interlaid12
- internode12
- inthroned14
- intonated12
- intricate13
- introduce15
- introfied14
- inundator13
- invariant15
- invocated18
- iodinated12
- iodinates11
- irradiate10
- irridenta11
- iteration10
- itinerant11
- laciniate14
- lidocaine15
- lineation12
- manticore16
- marinated14
- matricide16
- mediation14
- mendicant18
- mortician16
- narcotize22
- narration11
- nectarine14
- nervation15
- neutronic15
- nicotiana14
- nicotines14
- nitration11
- nominated15
- nonacidic18
- nonaddict16
- noncredit15
- nondancer16
- nonerotic14
- nonmetric17
- nonracial15
- notarized20
- oceanaria13
- octahedra15
- onanistic14
- ordaining14
- ordinance15
- ordinates11
- ordnances15
- orienting13
- originate12
- ornithine13
- patrician16
- patricide16
- pediatric16
- perdition14
- peridotic16
- podiatric16
- poinciana17
- predation14
- radiances14
- radiating13
- radiation11
- radiative14
- radicated14
- radicates13
- raincoats13
- rancidity16
- raticides13
- rationale11
- rationing13
- reactions13
- reanoints11
- recanting16
- recoining16
- recondite14
- redacting16
- redaction14
- reduction15
- reedition11
- reincited14
- reindicts14
- reliction14
- rendition12
- retaining13
- retinoids11
- ruination12
- runcinate15
- sanitoria10
- sectarian13
- sonicated14
- tarnation11
- tarriance13
- threnodic16
- tradition11
- tragedian13
- trainband15
- trainload12
- transcend15
- transonic14
- trapanned15
- tretinoin11
- trichinae15
- tricotine13
- triennial12
- tyrocidin16
- uncertain15
- undercoat15
- unitarian12
- unnoticed16
- untrained13
- uraninite12
- urination12
- variation14
- vernation15
- vicariant17
- vicariate16
- vindicate18