base@@1	base	root	14
base@@1	base	basic	12
base@@1	base	core	12
base@@1	base	fundamental	11
base@@1	base	source	11
base@@1	base	foundation	10
base@@1	base	fundamental part	9
base@@1	base	prime	8
base@@1	base	key	5
base@@1	base	standard	5
base@@2	base	headquarters	6
base@@2	base	camp	5
base@@2	base	military base	4
base@@2	base	post	4
base@@2	base	site	4
base@@2	base	station	4
base@@2	base	base camp	3
base@@2	base	center	3
base@@2	base	installation	3
base@@2	base	facility	2
base@@2	base	headquarter	2
base@@2	base	operations base	2
base@@3	base	baseball base	2
base@@4	base	foundation	33
base@@4	base	bottom	29
base@@4	base	fundament	11
base@@4	base	root	10
base@@4	base	foot	7
base@@4	base	core	5
base@@4	base	bedrock	3
base@@4	base	lower part	3
base@@4	base	support	3
base@@4	base	basis	2
base@@4	base	footing	2
base@@4	base	pedestal	2
base@@4	base	substructure	2