9 letters
- nicotiana14
- nominator14
- nonatomic17
- noncoital15
- noncombat20
- nonracial15
- normality16
- oblations14
- obviation17
- octagonal16
- octillion15
- olfaction17
- onomastic16
- palmation17
- panoramic19
- parabolic19
- patrician16
- patrolman17
- pictorial16
- piratical16
- placation17
- plication17
- primatial16
- probation16
- procambia21
- prolactin17
- racialism16
- racialist13
- radiation11
- raincoats13
- rationale11
- rationals11
- reliction14
- ribosomal16
- romantics16
- sanitoria10
- satirical13
- solicitor13
- tailboard14
- tailoring13
- tamarillo14
- taxonomic23
- tonsorial11
- torsional11
- trainable14
- trainload12
- triatomic15
- tribalism16
- trichinal16
- triclinia14
- trinomial14
- variation14
- vaticinal18
- vibration17
- vicariant17
- violation15