12-Letter Words Ending in S

Heavyweight

Hedgehopper

Producing blood.

Hematology

Herringbone

Heterogamy

""The condition of having two or more kinds of flowers which differ in regard to stamens and pistils, as in the aster.""

Heterogeny

Not from the same source

Heterogony

Heterograft

""Characterized by heterology; consisting of different elements, or of like elements in different proportions; different; opposed to homologous; as, heterologous organs. homologous; as, heterologous organs.""

Having different alleles at one or more corresponding chromosomal loci.

Highbrowism

HISTOGEN inferior plant tissue

The formation and development of organic tissues; histogeny; the opposite of histolysis histolysis

Histologist

HOLOGRAPHER holograph

Holography

Homogenizer

Homologizer

Hooliganism

Hornswoggle

Humbuggery

Group that's called a charm

Hungriness

Hydrogenase

Hydrogenate

Hydrologist

HYGROPHILE

Hypercharge

Hyperphagia

Ideography

Ignobility

IGNORANT an ill-educated person

Illegality

Imagination

Immigration

Immunology

""Of the nature of, or pertaining to, impetigo.""

Impingement

Impregnator

Inaugurator

Indigestion

Indignation

Ingathering

Ingratitude

Ingurgitate

Instigation

Insurgency

Integration

Interchange

Interfacing

Intergrowth

Interlining

Intermingle

Interregnum

Interrobang

Grills

What Brewster's committee does

Invigilator

Invigorator

Iridologist

*No matter

Common malapropism used to mean "Nonetheless!"

Jaggedness

Forage plant

Kingliness

Kneecapping

The character or bearing suitable for a knight; chivalry.

Kymography

Lammergeier

Lammergeyer

""LAMPLIGHTER One who, or that which, lights a lamp; esp., a person who lights street lamps.""

Landholding

Langbeinite

Langoustine

Plural or third person singular

Laryngitis

Latchstring

Lawbreaking

Legerdemain

Legibility

Soldiers organise line in conflict

French soldiers

Legislation

Legislative

Ugliest Earls form law-making bodies

Legitimacy

Legitimator

Legitimizer

Lemongrass

Lexicology

Libertinage

They tend to fight with agile types from the gym

Unimportant people throwing digs at people in Ring

Unimportant people who get involved in fights (wordplay)

Limnologist

Linebacking

Linecasting

Livingness

Fruit, sorted out, began to be put in trucks

Logicality

Logistician

Longshoring

LONGSOME tediously long

Lovingness

Macrogamete

Madrigalist

Magisterium

Magistracy

Malacology

Malignancy

Mammalogist

Manageress

Managership

Marathoning

Marginalize

Margination

Margraviate

Matchmaking

Meagerness

Meatpacking

Megaloblast

Megalomania

Megaproject

Megatonnage

Megavitamin

""Inflammation of the meninges of the brain and the spinal cord, most often caused by a bacterial or viral infection and characterized by fever, vomiting, intense headache, and stiff neck.""

Menorrhagia

Merrymaking

Meshuggener

Plural of Monseigneur .

Metagalaxy

Metallurgy

Metrologist

Microgamete

Microgroove

Micromanage

Mightiness

Millidegree

Mineralogy

Small German bards

Miscarriage

Misdiagnose

Wrong identification of an illness

Misguidance

Misjudgment

Failing unions, like some in Middlemarch, arise as Grimm rewrite

Misregister

Missiology

Misspelling

Mockingbird

Moneymaking

Monogrammer

Monolingual

Monologuist

Amongst others, I snog nth sloven with oomph

MOONLIGHTER moonlight

Morphology

Moviemaking

""Partaking of the nature of, or resembling, mucilage; moist, soft, and viscid; slimy; ropy; as, a mucilaginous liquid. as, a mucilaginous liquid.""

Mudslinging

Plural or third person singular

Museologist

Musicology

Mycophagist

Mythologist

Mythologize

Necrologist

Of or pertaining to the Necrophaga; eating carrion. See Necrophagan. Necrophaga; eating carrion. See Necrophagan.

NEGATIVE to {veto=v}

Negativity

Discussions (aimed at reaching agreement)

Negrophobia

Nematology

Neostigmine

Nephrology

Neurologist

Newswriting

PJ's employed to cover up those retiring

Items worn in bed

Bedtime attire

Nightdress

Nocturnal singers

Sweet singers.

They sing, having evening at home with good beers

Nightwalker

Nitrogenase

Noisemaking

Nomography

""AMBIGUOUS Doubtful or uncertain, particularly in respect to signification; capable of being understood in either of two or more possible senses; equivocal; as, an ambiguous course; an ambiguous expression. as, an ambiguous course; an ambiguous expression.""

Nonargument

Plural of gerund noun

Plural of gerund noun

Noncoverage

Nondelegate

""Inflected form of GLAMOROUS Inflected form of GLAMOR to bewitch, also GLAMOUR""

Nongraduate

Nonlanguage

""RELIGIOUS Of or pertaining to religion; concerned with religion; teaching, or setting forth, religion; set apart to religion; as, a religious society; a religious sect; a religious place; religious subjects, books, teachers, houses, wars. as, a religious society; a religious sect; a religious place; religious subjects, books, teachers, houses, wars.""

Plural of gerund noun

Numerology

Objurgation

OBLIGING oblige

Oceanology

Offscouring

Oligochaete