SUPPLEMENT, SUPPLEMENTING
NOUNS
► ANNEXARY something appended or attached; later, an addition to a document or text; a supplement, an appendix → 1605 obs.
► ECHING the act of supplementing, increasing, or enlarging; an addition → 1382
► EKE a supplement; an addition, increase; a piece added on → 894 obs. exc. Eng. dial.
Lexicophilia 