plainness

Mane (Îngilîzî)

1. (uncountable, usually) The condition of being plain (in all senses)
2. (countable, usually) The product or result of being plain

Hevwate

simplicity

homeliness

perspicuity

perspicuousness

clearness

frankness

simpleness

humbleness

flatness

clarity

crudeness

directness

easiness

lucidity

modesty

naivete

openness

roughness

rusticity

singleness

smoothness

straightforwardness

terseness

ugliness

unambiguity

unpretentiousness

unequivocalness

unobtrusiveness

cleanness

austerity

preciseness

denivellation

frumpiness

seaminess

severity

shamefacedness

shapelessness

sharpness

austereness

artlessness

unembellishment

symplicity

sobriety

starkness

modestness

succinctness

uncloudedness

evidentness

unshightliness

evenness

Werger

Schlichtheit

clarté

claridad

claredat

vulgaritat

perspicüitat

Aufrichtigkeit

Natürlichkeit

Schäbigkeit

απλότης

απλότητα

ασχημία

σαφήνεια

simplicité

manque de beauté

Etîmolojî (Îngilîzî)

From plain + -ness.