12-letter words containing s, l, e, d
- musical ride — a display by riders on horseback of manoeuvres to music, esp by members of the Royal Canadian Mounted Police
- nasal demons — Recognised shorthand on the Usenet group comp.std.c for any unexpected behaviour of a C compiler on encountering an undefined construct. During a discussion on that group in early 1992, a regular remarked "When the compiler encounters [a given undefined construct] it is legal for it to make demons fly out of your nose" (the implication is that the compiler may choose any arbitrarily bizarre way to interpret the code without violating the ANSI C standard). Someone else followed up with a reference to "nasal demons", which quickly became established.
- nationalised — Simple past tense and past participle of nationalise.
- neanderthals — Plural form of neanderthal.
- near islands — a group of islands of SW Alaska, the smallest and westernmost of the Aleutian Islands, including Attu.
- needle-sharp — very sharp
- needlefishes — Plural form of needlefish.
- needlepoints — Plural form of needlepoint.
- needlessness — unnecessary; not needed or wanted: a needless waste of food.
- neofeudalism — A theorized contemporary rebirth of policies of governance, economy and public life reminiscent of those present in many feudal societies.
- nested class — (Java) In Java, a class defined within an enclosing class definition. A static nested class has no direct access to the members of its enclosing class whereas a non-static nested class, known as an "inner class", is associated with an instance of the enclosing class and an instance of the inner class has direct access to the members of its enclosing instance.
- netherworlds — Plural form of netherworld.
- nickelodeons — Plural form of nickelodeon.
- noahide laws — the seven laws given to Noah after the Flood, which decree the establishment of a fair system of justice in society, and prohibit idolatry, blasphemy, murder, adultery and incest, robbery, and the eating of flesh taken from a living animal
- non-disabled — physically or mentally impaired, injured, or incapacitated.
- non-residual — pertaining to or constituting a residue or remainder; remaining; leftover.
- non-selected — to choose in preference to another or others; pick out.
- nonscheduled — not scheduled; not entered on or having a schedule; unscheduled: nonscheduled activities.
- nonsteroidal — of or relating to a substance that is not a steroid but has certain similar physiological effects.
- nordenskjold — Baron Nils Adolf Erik [nils ah-dawlf ey-rik] /nɪls ˈɑ dɔlf ˈeɪ rɪk/ (Show IPA), 1832–1901, Swedish arctic explorer, geographer, and geologist; born in Finland.
- nosebleeding — bleeding emanating from the nose
- nucleocapsid — the nucleic acid core and surrounding capsid of a virus; the basic viral structure.
- nucleosidase — any of the class of enzymes that catalyze the hydrolysis of nucleosides.
- nucleotidase — a biochemical catalyst that facilitates the process of hydrolyzing or splitting a nucleotide and turning it into a phosphate and a nucleoside
- nun's fiddle — trumpet marine.
- off-islander — a temporary or seasonal resident of an island; island visitor or tourist.
- oil deposits — reserves of petroleum found underground (or under the sea)
- oilseed rape — Oilseed rape is a plant with yellow flowers which is grown as a crop. Its seeds are crushed to make cooking oil.
- old chestnut — old saying, cliché
- oldfashioned — Rare spelling of old-fashioned.
- outside lane — the lane on a motorway where overtaking of other vehicles is permitted and vehicles can travel fastest
- outside line — an external telephone connection
- outside loop — a loop during which the back of the airplane is on the outer side of the curve described by the course of flight.
- outside-left — a footballer who plays on the outside left wing of the field
- overboldness — The state or fact of being too bold; audacity.
- overdevelops — Third-person singular simple present indicative form of overdevelop.
- overlordship — a person who is lord over another or over other lords: to obey the will of one's sovereign and overlord.
- overmodestly — in an extremely modest manner
- palais glide — a dance with high kicks and gliding steps in which performers link arms in a row
- pale-skinned — having pale skin
- pasture land — grassland used for grazing
- pebbledashed — covered with a finish for external walls consisting of small stones embedded in plaster
- peccadilloes — a very minor or slight sin or offense; a trifling fault.
- perez galdos — Benito [buh-nee-toh;; Spanish be-nee-taw] /bəˈni toʊ;; Spanish bɛˈni tɔ/ (Show IPA), 1843–1920, Spanish journalist, dramatist, and novelist.
- perfidiously — deliberately faithless; treacherous; deceitful: a perfidious lover.
- personalised — to have marked with one's initials, name, or monogram: to personalize stationery.
- personalized — customized
- petrodollars — Petrodollars are a unit of money used to calculate how much a country has earned by exporting petroleum or natural gas.
- philadelphus — (Philadelphus) king of Pergamum c159–138 b.c.
- philomelides — a king of Lesbos who wrestled and killed every opponent until he himself was defeated by Odysseus.