Collocations for variation - noun

considerable, dramatic, enormous, extreme, great, major, marked, significant, striking, substantial, tremendous, wide | minor, slight, small, subtle
subtle variations of colour and design

numerous | endless, infinite | complex | random | systematic | local, regional | climatic, cultural, environmental, ethnic, genetic, geographical, hereditary, language, linguistic | annual, daily, day-to day, seasonal, year-to-year

show
The businesses showed a dramatic variation in how they treated their staff.

find, observe
Considerable variation was found in the terms offered by different banks.

analyse

occur

~ according to
variation according to the time of year

~ across
She is studying language variation across the social range.

~ among
variation among the students in terms of ability

~ between
variations between different accents

~ by
There is little variation by sex or social class in these attitudes.

~ in
slight variations in pressure

~ with
temperature variation with altitude

~ within
There may be striking variations within a species.

a range of variation, a variation on a theme
His numerous complaints are all variations on a theme.