"Perfectibility" is a word in ENGLISH

Having the quality of hiding.

The quality or state of being able; power to perform, whether physical, moral, intellectual, conventional, or legal; capacity; skill or …

The state or quality of being abnormal; variation; irregularity.

The quality or state of being abominable; odiousness.

The quality of being aboriginal.

The quality of being abortive.

Nearly; approximately; with close correspondence, in quality, manner, degree, etc.; as, about as cold; about as high; -- also of …

The quality of being absent-minded.

The quality of being absolute; independence of everything extraneous; unlimitedness; absolute power; independent reality; positiveness.

The state or quality of being absorbable.

The quality of being absorptive; absorptive power.

The quality of being abstemious, temperate, or sparing in the use of food and strong drinks. It expresses a greater …

The quality of being abstersive.

That which comprises or concentrates in itself the essential qualities of a larger thing or of several things. Specifically: A …

To separate, as ideas, by the operation of the mind; to consider by itself; to contemplate separately, as a quality …

The quality of being abstractive; abstractive property.

The quality of being abstract.

The quality of being abstruse; difficulty of apprehension.

The quality of being absurd or inconsistent with obvious truth, reason, or sound judgment.

The quality of being abusive; rudeness of language, or violence to the person.