"variation" - key terms from Wikipedia

advance variation
allowable variation
bars of variation
between study variation
breyer variation
chigorin variation
classical variation
clinal variation
coefficient of variation
colour variation
complete variation
copy number variation
dialectal variation
diurnal variation
dragon variation
exchange variation
fianchetto variation
four knights variation
genetic variation
human genetic variation
human variation
kalashnikov variation
kan variation
language variation
magnetic variation
maximum daily variation
midnight blue variation
moscow variation
najdorf variation
noa variation
phenotypic variation
scheveningen variation
slight variation
smyslov variation
solar variation
str variation
study variation
sveshnikov variation
taimanov variation
temperature variation
thickness variation
variation
variation	between
variation	de la
variation	in brightness
variation	in cancer rates
variation	margin
variation	of parameters
variation	of the fundamental constants
zaitsev variation