12-Letter Words Ending in S

Hypermnesia

OSTOSES ostosis

OSTOSIS the formation of bone

Hyperphagia

Hyperplasia

Hypersthene

Hyphenation

Hypocycloid

Hypodermis

Hypokalemia

Hypostatize

Hypotension

Hypotensive

Section of the brain that produces many hormones

Hypothecate

Hypothenuse

Hypothermia

Hypothesize

Ichthyosaur

Immunoassay

Plural noun or verb form

Isobutylene

Journeywork

Joyfulness

Joyousness

Plural or third person singular

""The indirect division of cells in which, prior to division of the cell protoplasm, complicated changes take place in the nucleus, attended with movement of the nuclear fibrils; opposed to karyostenosis. The nucleus becomes enlarged and convoluted, and finally the threads are separated into two groups which ultimately become disconnected and constitute the daughter nuclei. Called also mitosis. See Cell development, under Cell. karyostenosis. The nucleus becomes enlarged and convoluted, and finally the threads are separated into two groups which ultimately become disconnected and constitute the daughter nuclei. Called also mitosis. See Cell development, under Cell.""

Keyboardist

Kymography

Lachrymator

Lammergeyer

Plural or third person singular

Laryngitis

LEUKOCYTE

LEUKOCYTE

Lymphoblast

LYMPHOMA a type of {tumour=n}

Lyophilizer

""MACROCYTE An abnormally large red blood cell, associated with pernicious anemia.""

An abnormal physiological condition characterized by the presence of macrocytes in the blood.

Merrymaking

Mesocyclone

MESOPHYLL

Methylamine

Methylation

""(used with a sing. verb) The physics of molecular, atomic, nuclear, and subnuclear systems.""

Polly punishes while...

Polly punishes while ...

Babies.

Molybdenite

Having advanced, they charge

They advance and charge

They take a great interest in those making advances at a ridiculous rate

Moneymaking

Pranks of a sort.

Mischevious pranks

Monocrystal

MYCETOMA a fungus infection

Mycophagist

Myelopathy

Myofilament

Myoinositol

Mythologist

Mythologize

Mythomaniac

MYXEDEMA a disease caused by decreased activity of the thyroid gland

Ninnyhammer

Nonemployee

Nymphomania

Pl. oropharynges (-f -r n j z) or oropharynxes The part of the pharynx between the soft palate and the epiglottis.

Oropharynx

Overanalyse

Overanalysie

Overanalyze

Overpayment

Oxygenation

Pachysandra

Palynology

Papyrology

Paraldehyde

Parathyroid

Paratyphoid

Pennycress

Pennyweight

Phagocytize

Phagocytose

Phagocytosie

Photosystem

Phycocyanin

Phycologist

Phycomycete

Phylactery

Phylloclade

Phyllotaxy

Physiatrist

Physicalism

Physicalist

PHYSICAL a medical examination of the body

Physiology

Phytoalexin

Phytochrome

""Feeding on plants; herbivorous; as, a phytophagous animal. as, a phytophagous animal.""

Phytosterol

Platyrrhine

Playwriting

Podophyllin

Podophyllum

Polyalcohol

Polyanthus

Polychromy

Polycrystal

Polyglotism

POLYGRAPHER polygraph

""Pl. polyhedroses (-s z) Any of several diseases of insect larvae, caused by infestation with polyhedral virus particles.""

""Pl. polyhedroses (-s z) Any of several diseases of insect larvae, caused by infestation with polyhedral virus particles.""

""Having, or assuming, a variety of forms, characters, or styles; as, a polymorphous author. as, a polymorphous author.""

NEURITIS inflammation of a nerve

Polypeptide

""Consisting of, or having, several or many separate petals; as, a polypetalous corolla, flower, or plant. as, a polypetalous corolla, flower, or plant.""

Polyploidy

Polysorbate

Botany Arranged in two or more series or rows.

Polystyrene

Polysulfide

The science of the mechanic arts.

Polyvalence

Presbytery

PROPERTY something owned

Proselytise

Proselytism

Proselytize

Protomartyr

See false pregnancy .

See false pregnancy .

""Bearing a false or fictitious name; as, a pseudonymous work. as, a pseudonymous work.""

Psychedelia

Psychedelic

Psychiatry

Psychodrama

Psychograph

Madman ogles head of institution oddly, displaying mental attitudes

Lady protects terrible old creatures

In replay, clatters dopy old wingers

Lady Prescott transported some flying reptiles!

PUSSYFOOTER pussyfoot

Pyrargyrite

Things that flare

Make light of playing with fire

Firework display

Rehydration

Rehypnotize

Scyphistoma

Soothsaying

Spasmolytic

Staphylinid

Steatopygia

Having fat buttocks.

Steerageway

Stenotypist

Stereotyper

Stereotypy

A pack of liars, rumour has it, working on 1 down

""Pl. streptomyces Any of various actinomycetes of the genus Streptomyces, including several strains that produce antibiotics.""

Stringybark

Stylization

Superlawyer

Superplayer

Supersystem

SWORDPLAYER A fencer; a gladiator; one who exhibits his skill in the use of the sword.

Sycophancy

Syllabicate

Sympathetic

Sympathizer

Symposiarch

Plural or third person singular

Plural noun or verb form

Synaptosome

Pl. synarthroses (-s z) Anatomy A form of articulation in which the bones are rigidly joined by fibrous tissue. Also called synarthrodia .

""Immovable articulation by close union, as in sutures. It sometimes includes symphysial articulations also. See the Note under Articulation, n., 1. Articulation, n., 1.""

Synchronise

Synchronism

Synchronize

Synchrotron

Musical effects.

Syndactyly

Syndicalism

Syndicalist

Syndication

Synecology

Synesthesia

Synonymity

Synthesizer

Systematise

Systematism

Systematist

Systematize

Tachycardia

Teenybopper

Tetrahymena

Thallophyte

Thiocyanate

Thrombocyte

Thymectomy

Thyrotropin

Tracklaying

Trisyllable

Byers' sell-out affected current transport

Tropomyosin

Trypanosome