submarines used in ww1

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
submarines used in ww1	1.42	0.3	6633	79	22
submarines	1.03	0.7	7884	65	10
used	0.33	0.3	6928	21	4
in	0.48	0.4	1047	8	2
ww1	0.39	1	3670	60	3

Keyword	CPC	PCC	Volume	Score
submarines used in ww1	1.01	0.5	8213	3
submarines used in ww2	0.66	0.7	4422	63
submarines used in wwi	1.61	0.4	9886	67
how were submarines used in ww1	0.18	0.8	9665	83
what were submarines used for in ww1	0.85	0.7	8242	41
who used submarines in ww1	1.72	0.5	2593	2
why were submarines used in ww1	1.88	0.6	1040	14
when were submarines first used in ww1	0.35	0.2	9918	74
how was submarines used in ww1	1.77	0.6	8409	91
weapons used by submarines ww1	1.06	0.6	6117	98