(generally) difference / (arithmetic) difference

to show, to have somebody see / to display, to show, to demonstrate / to indicate, point out, to denote / to indicate (for a measuring device such as a clock to show a value)

significant; meaningful

significance; meaning

the result, effect, consequence / the performance, the accomplishment, the achievement

(rare) bear fruit

different / distinct / separate / vary / discrepancy / gap / difference / disparity / margin / variation / divergence

spring range / spring tide range

experimental results

tidal range, tidal change