Keyword Analysis & Research: why are both my knees hurting

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why are both my knees hurting	1.66	0.8	8410	11	29
why	0.04	0.6	4366	51	3
are	1.05	0.9	9683	15	3
both	0.2	0.9	1952	47	4
my	1.46	0.8	376	34	2
knees	0.53	1	5733	65	5
hurting	1.28	0.8	4421	1	7

Keyword	CPC	PCC	Volume	Score
why are both my knees hurting	0.44	0.8	7126	32
why both knees start hurting at the same time	1.72	0.6	549	77
both knees hurt all the time	1.22	0.3	9666	45
why do both my knees suddenly hurt	1.8	0.2	4692	87
why do both my knees hurt	0.58	0.1	7008	47
causes of both knees hurting	0.47	0.3	5976	71
both knees ache all the time	0.24	0.8	8670	59
why are both my knees aching	1.19	0.3	5528	2
why do both my knees ache	0.19	0.9	207	12
both knees hurt all of a sudden	1.86	0.5	4437	26