centre; center; pivot; central nervous system
cardinal (Catholic church)
axle; pivot; center (of power, activity); central point; the Axis (WWII alliance)
important point; essential part; vital point; important state matters
Privy Council (abolished in 1947)
Axis powers (World War II)
(most) important; principal; pivotal; key; cardinal
language center (brain); language centre
central nervous system; CNS
Axis of Evil (Iran, Iraq and North Korea)
nerve centre; nerve center
centre of (political) power
respiratory center; respiratory centre
vomiting center; area postrema; part of the brain that controls vomiting
auditory center (of the brain); auditory centre
congenital central hypoventilation syndrome; CCHS