"Contributional" is a word in ENGLISH

Pertaining to, furnished with, expressed by, or in the order of, the letters of the alphabet; as, alphabetic characters, writing, …

Pertaining to a horse. It was a feudal tenure of lands, the tenant furnishing a horseman suitably equipped in time …

Of, pertaining to, or like, a caruncle; furnished with caruncles.

Of, pertaining to, or resembling, the family of plants of which the oak and the chestnut are examples, -- trees …

Pertaining to, or furnishing, a diagnosis; indicating the nature of a disease.

Of or pertaining to pigments; furnished with pigments.

Of or pertaining to a prospect; furnishing a prospect; perspective.

Of or pertaining to an arrow; resembling an arrow; furnished with an arrowlike appendage.

Of or pertaining to stipules; resembling stipules; furnished with stipules; growing on stipules, or close to them; occupying the position …

Of, pertaining to, or resembling, a natural order of plants (Tiliaceae) of which the linden (Tilia) is the type. The …

Of or pertaining to a utricle, or utriculus; containing, or furnished with, a utricle or utricles; utriculate; as, a utricular …