11-Letter Words Ending in S

Shortens a word

Turns a registered nurse into a RN (wordplay)

Aberrancy

They're irregular

Sailor in tears or suffering disorders

Abhorrence

Abjuration

Abominator

Aboriginal

Abreaction

Abridgment

Abrogation

Absorbance

Absorption

Abstracter

Abstractor

Highly illogical situations

Accelerant

Increases speed

Accessary

They're both before and after the fact.

Accomplices in case? Scores I suspect

Jewelry and a handbag, for example

Accordance

Accoucheur

Accruement

Achondrite

Acidimeter

Acquisitor

Acridness

Like some divorces

Angry and bitter

Producing bad feelings

Acrophobia

Fortified heights in ancient Greece

Acrylamide

Solemn appeals

Madison Avenue V.I.P.'s (wordplay)

Mass communication figures (wordplay)

Directs short note to members of the government

Pacific islands that draw in butterflies

Islands near New Guinea.

Islands N. of Bismarck Archipelago.

Admiration

Admonisher

Adrenaline

Adsorption

Adulterant

Debases or dilutes

Uses water maybe to dilute a trusted ale naughtily

Doctors

Fortune hunters.

Breathtaking enterprises will take society in. How about Becky Sharp (wordplay)

Boldly enterprising

Daring

Mostly negative sign from opponents

Advisers are represented on opposing sides

Sign supporting mostly inauspicious opponents

State of opposition

Adversity

Advertence

Advertiser

Aeciospore

Aepyornis

Aerenchyma

Aerogramme

Gen. Doolittle's forte.

Science of flying

Study of flight

Aeronomist

Aerosolize

Aerostatic

Affirmance

Afterbirth

Afterimage

Afterpiece

Aftershave

Dessert wines give us minor tremors

Small earthquakes that follow major earthquakes

Aftertaste

Afterworld

Aggrandise

Aggrandize

Aggression

Agoraphobe

Cultivating grain, so most expert in their field (wordplay)

Airfreight

Badly ventilated condition

Airmanship

Flyer's upset

Might get it on the tour plane

Flying illness

Birds of ill omen

Largest sea birds.

Alertness

Algebraist

Aliteracy

Allegorise

Allegorist

Allegorize

Allegretto

Alleviator

Alliterate

Allometry

Allopatry

Allostery

Allotropy

Allurement

Church art items

Changes made by artist alone to model

Underhood electricity producers

Altimetry

Altogether

Cloud forming a uniform layer

Cloud type

Cloud at heights of about one to five miles

Amaryllis

Amateurism

Envoys in residence

High-ranking diplomats

Dillon, Allison, Coe, etc.

Ambergris

Ambuscader

Improves, as a situation

Takes a sad thing and makes it better

Amenorrhea

Amercement

Amorality

Loving characteristic

Amphibrach

Amphimacer

Out of time (wordplay)

""Pl -ses [-ˌsiːz] (Literary & Literary Critical Terms) (in Greek tragedy) the recognition or discovery by the protagonist of the identity of some character or the nature of his own predicament, which leads to the resolution of the plot; denouement [from Greek: recognition]""

The unfolding or d\'82nouement.

Anastrophe

Anchoress

Ancientry

Ancillary

Androgyny

Of indeterminate sex

Hermaphrodite

Grandson you get fussed about, showing male and female characteristics

Anemograph

Meteorological tools

Wind instruments

Full of twists and turns

Circuitous; sinuous.

Plants whose seeds are enclosed in an ovary

Angriness

Makes censorious remarks

Ankylosaur

Antecessor

Anthracene

Mining finds

Anthropoid

Antifreeze

Antimatter

Word with prefix anti-

Plural or third person singular

PHRASES phrase

The use of words in a sense opposite to their proper meaning; as when a court of justice is called a court of vengeance. court of vengeance.

Non-patriots in revolt - being negative, they are charged

Antipyrine

Antiquary

Antiracism

Antiracist

Antismoker

Antistory

Apartness

Huge herbivorous dinosaur

Apiculture

Apologizer

""Pl. aponeuroses (-s z ) A sheetlike fibrous membrane, resembling a flattened tendon, that serves as a fascia to bind muscles together or as a means of connecting muscle to bone.""

""Any one of the thicker and denser of the deep fasci\'91 which cover, invest, and the terminations and attachments of, many muscles. They often differ from tendons only in being flat and thin. See Fascia. Fascia.""

Edit perhaps, so to punctuation marks

Parts of some Irish names

Digressions in a speech.

Apparatus

Haunted house inhabitants

They can be deceiving

Arrivals; impressions

Outward impressions

Apperceive

Applicator

Appreciate

Apprentice

Apriority

Gems decorating a main square

Gems.

Aquaplaner

Aquatinter

Arability

Arbitrager

Dispute deciders

Arborvitae

Arbovirus

Wearers of pallia

Clerics on a sacred meandering around church

Shrewd dean's embracing company people in a higher office

""The consort of an archduke; also, a princess of the imperial family of Austria. See Archduke. Archduke.""

Archduchy

Bad shoes, to a podiatrist (wordplay)

The Joker and Batman, for example

Hatfields, to McCoys

Architrave

Archpriest

Arctangent

The quality of being arduous; difficulty of execution.

Growing or living or burrowing in sand.

Nobles

Swells

Arithmetic

Arpeggiate

Arrestment

Arrhythmia

Arrogation

Plural or third person singular

Arthralgia

Plural or third person singular

""Pl. arthrodeses (-s z) The surgical fixation of a joint, ultimately resulting in bone fusion. Basically, the procedure is artificially induced ankylosis performed to relieve pain or provide support in a diseased or injured joint.""

Surgical fixation of joints.

Utters clearly

Artillery

Stern lasses agitating for simplicity

Ascription

Asparagine

ASPERGILL

Cast-iron plants

House plants.

Hopes for the future.

Hopes

States solemnly

Affirms earnestly

Antipastos, for example

Some large bags of candy

Antipastos, e.g

The state of being assured; certainty; full confidence.

Skin treatments

Evangeline Adams and others.

They get a lot from Leo's movement

Zodiac experts

Astrology

Moon-starers (anagram)

Monster oars (anagram)

Moon starers! (Anagram)

Astronomy

Asymmetry

Ambiances