smoothness

Mane (Îngilîzî)

1. (countable, uncountable) The condition of being smooth; the degree or measure of said condition.
2. (countable, uncountable) The highest order of derivative (the differentiability class) over a given domain.
3. (countable, uncountable) The quantity measured by the modulus of smoothness.

Hevwate

evenness

softness

fluency

tenderness

sleekness

blandness

easiness

glossiness

eloquence

levelness

polish

🇵🇱

suaveness

suavity

slickness

smooth

flatness

level

harmony

peacefulness

plainness

fluidity

fluidness

glassiness

glitter

gloss

gracefulness

graciousness

integrity

lubrication

lubricity

lull

lustre

moistness

normality

oiliness

peace

☮️

perfection

placidity

plane

pliancy

polishing

quiet

restfulness

satisfaction

sedateness

sedation

serenity

slick

smoothly

stoicism

Werger

Glätte

levigatezza

gladheid

lisura

lisse

Glattheit

lisseur

douceur

levitas

lisura

lenitas lenitudo

harmonie

éloquence

égalité

Etîmolojî (Îngilîzî)

Ji Middle English mîras hatiye girtin: smothenesse

Hevwate bi Old English: smēþnes

In summary

From Middle English smothenesse; equivalent to smooth + -ness. Compare Old English smēþnes (“smoothness, a smooth place, a level surface”).