accumulation; retention; collection; sequestration (as in carbon dioxide sequestration); storage (usually a liquid, e.g. rainwater, or behind a dam.)
bifurcation; branch; branched; rami-
paracentesis; centesis; puncture; tap
internationalization; internationalisation; i18n (in IT)
Balcony of Appearances; balcony where the imperial family appears before the public; (sports) interview platform; winner's platform; dancing platform (in a disco)
anesthesiologist; anaesthesiologist; anesthetist; anaesthetist
highest level; high-water mark
cardiopulmonary arrest; showing no vital signs
heart disease; heart trouble; cardiopathy
detention (usu. during investigation); imprisonment; poundage; custody
striking just before one's opponent makes a move
fort; fortress; stronghold; fortification
on the brink of collapse; in a state of near-collapse
drawing blood; collecting blood
vital; lively; energetic; vital signs
all-America; pan-American; all of America
circumference; perimeter; work outside the office; outer tracks (in a loop or curve)