12-Letter Words Containing: P,A,S,T,O,R,A,L

• The mutual exchange of (fluid) food between individuals, especially in social insects.

• draw from specific cases for more general cases

• estimate the value of something based on known values

• gain knowledge of (an area not known or experienced) by extrapolating

• a surgical procedure in which part or all of a damaged or diseased cornea is replaced by healthy corneal tissue from a donor

• A study of parasites.