軸

axial center; central axis

axial rod; shaft; pintle

Crystallography

axial ratio

time axis; time basis; timeline

hanging scroll

main spindle; main shaft

linchpin; pivot

Mathematics

principal axis; main axis

axle

earth's axis

axle; pivot

center (of power, activity); central point

Historical term

the Axis (WWII alliance)

innovation; new departure; milestone; breakthrough

vertical axis; vertical line

vertical shaft; spindle

connection between past and present

uniaxial

Nouns which may take the genitive case particle 'no'

abscissa; horizontal axis

horizontal scroll

basis; foundation; core; criterion; standard

axis; pivot; central figure; key man

axis of revolution

coordinate axis

axial

(center portion of a) scroll (centre)

point at issue; axis of a conflict; focus of confrontation

Axis of Evil (Iran, Iraq and North Korea)

same axle

coaxial (cable)

axis; axle; plan; contrivance

key currency