12-letter words that end in nal
- pilot signal — a signal, as a flag or light, used to request a pilot.
- platitudinal — platitudinous.
- populational — the total number of persons inhabiting a country, city, or any district or area.
- possessional — of, relating to, or characterized by possession
- postvaccinal — occurring after a vaccine
- pre-rational — agreeable to reason; reasonable; sensible: a rational plan for economic development.
- precessional — the act or fact of preceding; precedence.
- processional — of, relating to, or characteristic of a procession.
- productional — the act of producing; creation; manufacture.
- professional — following an occupation as a means of livelihood or for gain: a professional builder.
- proportional — having due proportion; corresponding.
- quarterfinal — of or relating to the contest or round preceding the semifinal one.
- recreational — of or relating to recreation: recreational facilities in the park.
- reputational — the estimation in which a person or thing is held, especially by the community or the public generally; repute: a man of good reputation.
- revelational — the act of revealing or disclosing; disclosure.
- rideau canal — a waterway in SE Ontario, Canada, connecting the Ottawa Riverin Ottawa to Lake Ontario in Kingston. 125 miles (202 km) long.
- salutational — relating to salutation
- smoke signal — If someone such as a politician or businessman sends out smoke signals, they give an indication of their views and intentions. This indication is often not clear and needs to be worked out.
- speciational — relating to speciation
- spinal canal — the tube formed by the vertebrae in which the spinal cord and its membranes are located.
- storm signal — a visual signal, as a flag, giving advance notice of a heavy storm, used especially along coastal areas.
- subabdominal — below or beneath the abdomen
- subjectional — the act of subjecting.
- successional — the coming of one person or thing after another in order, sequence, or in the course of events: many troubles in succession.
- superluminal — appearing to travel faster than the speed of light.
- superordinal — relating to the superorder
- supraliminal — being above the threshold of perception of a stimulus.
- temptational — the act of tempting; enticement or allurement.
- transitional — movement, passage, or change from one position, state, stage, subject, concept, etc., to another; change: the transition from adolescence to adulthood.
- translumenal — (of a surgical procedure) performed within a blood vessel, duct, or cavity
- transvaginal — through or via the vagina
- unfunctional — of or relating to a function or functions: functional difficulties in the administration.
- vegetational — all the plants or plant life of a place, taken as a whole: the vegetation of the Nile valley.
- volitational — relating to flying
- vulvovaginal — relating to the external female genitals