13-Letter Words Ending in S

Formaldehyde

Forwardness

Fountainhead

Frowardness

Furazolidone

Glutethimide

Glycopeptide

Gobbledegook

Gobbledygook

Godlessness

Godlikeness

Gonadectomy

Gonadotropin

Gradualness

Grandiose

Grandiosity

Negotiators who are mostly talk

Ham athletes.

"Ham" athletes.

Granodiorite

Guanethidine

Guardedness

Guardianship

Haggardness

Hairdressing

Hairsbreadth

HANDICRAFTER handicraft

They're needed when it comes to blows

Suit pocket items

Pocket cloths

Handsbreadth

Haphazard

Haphazardry

HARDSTANDING hardstand

Showcases for buffoons

Hazardous

Psychiatrists? They're all savages

Do they make little of medical minders in popular parlance (wordplay)

Heedfulness

Hemichordate

Hemodilution

Hemorrhoidal

Hereditament

Hereditarian

Hideousness

Yokelish drama excited visitors to the seaside pier (wordplay)

Those designing mobiles provided the rest for production team

Opportunists in sunshine outside lido rebuilt for tourists

What beastly, saucy, hot roots!

Long to make the meat hot

She had orrises, peculiar plants

Symptom of a bad temper

(In a person) volatility

These dashed on (anagram) - impetuosity

They look after the homework for partners working in residential property

Audience for hot American groups doing their mates' homework

Hurriedness

""An accumulation of liquid within the cavity of the cranium, especially within the ventricles of the brain; dropsy of the brain. It is due usually to tubercular meningitis. When it occurs in infancy, it often enlarges the head enormously.""

Hydrocolloid

HYDROCRACKER hydrocrack

""That branch of the science of mechanics which relates to fluids, or, as usually limited, which treats of the laws of motion and action of nonelastic fluids, whether as investigated mathematically, or by observation and experiment; the principles of dynamics, as applied to water and other fluids.""

""HYDROGRAPHER One skilled in the hydrography; one who surveys, or draws maps or charts of, the sea, lakes, or other waters, with the adjacent shores; one who describes the sea or other waters.""

Hydrography

Hydroquinone

Plural or third person singular

Hydrothorax

Hydrotropism

HIDROSES hidrosis

HIDROSIS abnormal perspiration

Hyperploidy

Hypochondria

Hypospadias

Idealization

Exact sameness

Idiomatic

Illiquidity

""The quality or relations of being immediate in manner, place, or time; exemption from second or interventing causes.""

Immoderation

Factors difficult to assess

They are difficult to assess

They are impossible to assess

Improvidence

Inadvertence

Incendiarism

Incommodity

Incredulity

Indehiscence

Independence

Indifference

Indigestible

Indiscipline

Indiscretion

Indoctrinate

Indomethacin

Inexactitude

Inexpedience

Gradual change with harmful effect

DICTIONS diction

Interdiffuse

Intermeddler

Acts as a peacemaker

Timed trainees changing racing tyres

Trainees timed changing tyres

PLEADERS pleader

Interstadial

Intimidation

Intrepidity

There's a proper how-do-you-do!

Invalidation

Invidious

Isoantibody

Jointedness

The quality or state of being judicious; sagacity; s<?/<?/nd judgment.

Jurisdiction

Jurisprudent

Kaleidoscope

Locales for the Montessori method

Children's nurseries

Sites where 15A+53A is often heard (and seen)

Laggardness

Languidness

Learnedness

Lepidopteran

Of or pertaining to the Lepidoptera.

Limitedness

Linebreeding

Ludicrous

Inflammation of the lymphatic glands; called also lymphitis. lymphitis.

Les girls

Clumsy behaviour

Terrible ladies' man, sort to show ineptitude

Lad is a monster - exceptional insensitivity

Plural or third person singular

Mastoiditis

MEDICAMENT Anything used for healing diseases or wounds; a medicine; a healing application.

Melodious

Overemotional behaviour

Merchandiser

Methodology

Methysergide

Wee condoms, perhaps, if emerging from Spooner's boxers

Mindfulness

Misadventure

Doesn't understand I'm upset, perhaps wrongly, over aims

Misdemeanant

DIRECTIONS direction

Miseducation

Misguided

Misidentify

Misknowledge

Modification

Molluscicide

Mollycoddler

Monorchidism

Moribundity

Horse entrails around area which skiers might descend

Mouthbreeder

Multiplicand

Occurring in great numbers

Very many in number

Crowding us out with what's terribly dim and unlit

Mundaneness

Murderous

Myocarditis

Needfulness

NEEDLEWORKER needlework

Neighborhood

Neuropeptide

Nicotinamide

Nidification

Scrooge's way so very old and slow, not quite retired

Parsimony

Nonadmission

Word with prefix non-

Noncandidate

Nonconductor

Plural of gerund noun

Nondelivery

Nondependent

Plural noun (-tions)

Nonidentity

""INDIGENOUS Native; produced, growing, or living, naturally in a country or climate; not exotic; not imported.""

Nonlandowner

Nonrandom

Nonresidence

Nonresponder

Nonvalidity

Noradrenalin

Nucleocapsid

Nucleotidase

Odorousness

Nonchalant and cool manner

In people (wordplay)

Presumably, these are in the foundations at work for those with seats

Oleandomycin

Orderliness

Canine fixers

According to Cockney, they work on Hampstead Heath

Don't put in sir's tooth wonky! They should straighten it out

ORTHOPTEROID orthopter

Outreproduce

Outwardness

Too credulous.

Overdecorate

Overdiscount

Overdocument

Overidealize

Overlordship

Overmedicate

Overpersuade

Overwithhold

Palindromist

Parasiticide

Postnatal docs

Plural or third person singular

The quality or state of being pendulous; the state of hanging loosely; pendulosity.

Pentapeptide

Pentaploidy

Peradventure

Periodicity

Periodontist

Plural or third person singular

Plural or third person singular

Perverted