Keyword Analysis & Research: synonym for not valid

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
synonym for not valid	1.85	0.9	5101	8	21
synonym	0.92	0.6	4264	12	7
for	0.31	0.6	7374	37	3
not	0.89	0.1	1208	59	3
valid	1.83	0.1	8927	51	5

Keyword	CPC	PCC	Volume	Score
synonym for not valid	1.76	0.5	944	38