Keyword Analysis & Research: what's a noun plural rule

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what's a noun plural rule	1.01	1	1414	67	25
what's	0.51	0.8	9218	82	6
a	1.25	0.7	4816	12	1
noun	0.17	0.6	749	98	4
plural	1.91	0.4	2287	24	6
rule	1.65	0.6	7842	84	4

Keyword	CPC	PCC	Volume	Score
what's a noun plural rule	1.14	0.9	2804	72