Complementation and Appendage

noun

• The grammatical relation of a word or phrase to a predicate.
• Linguistics) a distribution of related speech sounds or forms in such a way that they only appear in different contexts. (.
  • synonyms: complementary distribution

noun

• An external body part that projects from the body.
  • usage: "it is important to keep the extremities warm"
  • synonyms: extremity, member
• A natural prolongation or projection from a part of an organism either animal or plant.
  • usage: "a bony process"
  • synonyms: process, outgrowth
• A part that is joined to something larger. .

• (n.) A subordinate or subsidiary part or organ; an external organ or limb, especially of the articulates.
• (n.) Something appended to or accompanying, a principal or greater thing, though not necessary to it, as a portico to a house.