13-Letter Words Containing: A,I,R,L,I,F,T

• the act of making formal (as by stating formal rules governing classes of expressions)

• To separate into parts or fractions; to fractionate

• creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant

• making fertile as by applying fertilizer or manure

• The extent to which something is affordable, as measured by its cost relative to the amount that the purchaser is able to pay.

• The state or property of being capable of being verified; confirmability.

• in an informative manner

• impressive difficulty

• the quality of affording gain or benefit or profit