15-letter words that end in ss
- imperviableness — the state of being imperviable
- implausibleness — The quality of being implausible.
- implicativeness — the state or quality of being implicative
- importunateness — Quality of being importunate.
- impregnableness — The state of being impregnable; impregnability.
- impressibleness — The state of being impressible; impressibility.
- inalterableness — The state or quality of being inalterable.
- incapaciousness — the quality of not having (sufficiently) great capacity
- incredulousness — not credulous; disinclined or indisposed to believe; skeptical.
- indivisibleness — The state of being indivisible; indivisibility.
- indomitableness — Quality of being indomitable.
- indubitableness — The quality of being indubitable.
- industriousness — working energetically and devotedly; hard-working; diligent: an industrious person.
- ineffectiveness — not effective; not producing results; ineffectual: ineffective efforts; ineffective remedies.
- ineffectualness — Inefficacy.
- inescapableness — The quality of being inescapable.
- inexcusableness — The quality of being inexcusable.
- inexpensiveness — The state or quality of being inexpensive.
- inflammableness — The quality of being inflammable.
- informativeness — giving information; instructive: an informative book.
- injudiciousness — The state or condition of being injudicious.
- inobtrusiveness — the quality of being unobtrusive
- inoffensiveness — The state or condition of being inoffensive.
- inoperativeness — The state or condition of being inoperative; nonfunction.
- inopportuneness — The quality of being inopportune.
- inquisitiveness — given to inquiry, research, or asking questions; eager for knowledge; intellectually curious: an inquisitive mind.
- inscrutableness — Inscrutability.
- insensitiveness — Quality of being insensitive.
- inseparableness — The quality or state of being inseparable.
- insight-fulness — characterized by or displaying insight; perceptive.
- instructiveness — Quality of being instructive.
- insuperableness — The quality of being insuperable or insurmountable; insuperability.
- insurance class — An insurance class is a type of insurance coverage such as liability, health, legal expenses, or construction risk.
- intemperateness — The quality of being intemperate.
- interestingness — engaging or exciting and holding the attention or curiosity: an interesting book.
- internal stress — (in metal or glass pieces, or the like) a stress existing within the material as a result of thermal changes, having been worked, or irregularity of molecular structure.
- internet access — access to the internet for a computer or other device
- intolerableness — The state of being intolerable or insufferable.
- intractableness — The state of being intractable; intractability.
- intrinsicalness — The quality of being intrinsical; intrinsicality.
- invisible glass — glass that has been curved to eliminate reflections.
- involuntariness — The state of being involuntary; unwillingness; automatism.
- irreligiousness — The state or quality of being irreligious; ungodliness.
- irreparableness — The quality of being irreparable.
- irrevocableness — Quality of being irrevocable.
- italian cypress — a tall Eurasian cypress, cupressus sempervirens, native to the eastern Mediterranean region
- jerusalem cross — a cross whose four arms are each capped with a crossbar and often with a small Greek cross centered in each quadrant.
- jewish princess — JAP.
- justifiableness — Justifiability.
- keynote address — a speech, as at a political convention, that presents important issues, principles, policies, etc.