Collocation Dictionary
Common collocations with span in American Collocation
reduce the span of something
decrease
limit
reduce
shorten
Reading blogs has shortened my attention span.
increase the span of something
extend
increase
lengthen
prolong
The study builds on previous research that used antioxidants to lengthen the life span of nematode worms.
include a particular span
cover
encompass
The illustrations cover the whole span of Tony’s work from childhood drawings to his later well produced water colours.