disparity

disparity between mental labour and manual labour

a disparity of resources

economic disparities between different regions of the country.

the enormous disparity in firepower between the two sides.

a disparity in age distribution between groups

Harsh crack laws account only for a smidgeon of the disparity in incarceration rates.

There is great disparity between the amount of work that I do and what I get paid for it.

The great disparity between the teams did not make for an entertaining game.

People came to realize that there was (a) great disparity between the amount of work that they did and what they got paid for it.