機能性

machine; mechanism; aircraft; opportunity; crucial point; pivot; quick-witted; flexible; organic; the origin or cause of something; inner desires or worldly thoughts.

to be able to; capability; can; energy; to have the strength or ability to do something; a surname

Nature; character; personality; temperament; quality; attribute; sex; gender; sexuality; essence; life; suffix forming nouns like '-ness' or '-ity'.