15-letter words that end in nal
- pseudohexagonal — of, relating to, or having the form of a hexagon.
- recombinational — belonging or relating to recombination
- semi-functional — of or relating to a function or functions: functional difficulties in the administration.
- subprofessional — being below professional standards: subprofessional health care.
- tetrafunctional — pertaining to molecules or groups that can bond at four sites.
- transgressional — of or relating to transgression
- two-dimensional — having the dimensions of height and width only: a two-dimensional surface.
- uninstitutional — of, relating to, or established by institution.
- vertebral canal — spinal canal.