-ite

from The Century Dictionary.

• A termination of some English adjectives and nouns from adjectives, and of some verbs, derived from the Latin, as in apposite, composite, opposite, exquisite, requisite, erudite, recondite, etc.
• A suffix of Greek origin, indicating origin or derivation from, or immediate relation with, the person or thing signified by the noun to which it is attached.
• noun In chem., a suffix used not only in the names of salts derived from sulphurous acid, as calcium sulphite, but also in the names of certain substances belonging to the class of sugars, as mannite and dulcite, though these latter names are now systematically made to end in -ol (indicating chemical relation to the alcohols), as mannitol and dulcitol; also used without technical precision in names of pharmaceutical and commercial products, as glycerite, dynamite, vulcanite, etc.

from the GNU version of the Collaborative International Dictionary of English.

• A suffix denoting one of a party, a sympathizer with or adherent of, and the like, and frequently used in ridicule
• A suffix used in naming minerals
• (Chem.) A suffix used to denote the salts formed from those acids whose names end in -ous

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• suffix forming adjectives
• suffix a follower or adherent of a specified person
• suffix a descendant of a specified historical person
• suffix part of the body or part of an organ of the body
• suffix a rock, mineral or fossil
• suffix the product of a specified process or a commercial product
• suffix a native or resident of a specified place
• suffix chemistry a salt or ester of an acid whose name ends in -ous