10-letter words containing n, a, s, e, p, o
- sousaphone — a form of bass tuba, similar to the helicon, used in brass bands.
- spaceborne — moving in orbit around the earth: a spaceborne surveillance system.
- spacewoman — a woman astronaut.
- spaniolize — to cause to become Spanish
- spearpoint — the point at the end of a spearhead.
- speciation — the formation of new species as a result of geographic, physiological, anatomical, or behavioral factors that prevent previously interbreeding populations from breeding with each other.
- sphenogram — a cuneiform character.
- sphenoidal — relating to the sphenoid bone
- spinaceous — pertaining to or of the nature of spinach; belonging to the amaranth family of plants.
- sponge bag — a small, usually waterproof, case for carrying toilet articles.
- spongeable — able to be cleaned with a sponge
- spongecake — sweet cake of eggs and flour
- spongeware — earthenware decorated with color applied with a sponge.
- steganopod — a bird belonging to the Steganopodes, a group of swimming birds such as pelicans and cormorants
- stenograph — any of various keyboard instruments, somewhat resembling a typewriter, used for writing in shorthand, as by means of phonetic or arbitrary symbols.
- stenopaeic — pertaining to or containing a narrow slit or minute opening: a stenopeic device to aid vision after eye surgery.
- subpoenaed — the usual writ for the summoning of witnesses or the submission of evidence, as records or documents, before a court or other deliberative body.
- sulphonate — a salt or ester of any sulphonic acid containing the ion RSO2O– or the group RSO2O–, R being an organic group
- superation — the action or process of superating, overcoming or surpassing
- superwoman — a woman of extraordinary or superhuman powers.
- synaloepha — the blending of two successive vowels into one, especially the coalescence of a vowel at the end of one word with a vowel at the beginning of the next.
- syncopated — marked by syncopation: syncopated rhythm.
- tablespoon — a spoon larger than a teaspoon or a dessert spoon, used in serving food at the table and as a standard measuring unit in recipes.
- waitperson — a waiter or waitress.
- weaponeers — Plural form of weaponeer.
- weaponless — Lacking a weapon.
- xenophanes — c570–c480 b.c, Greek philosopher and poet.