Keyword Analysis & Research: which is correct attachment or attachments

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
which is correct attachment or attachments	1.95	0.8	4186	82	42
which	0.97	0.1	2392	4	5
is	1.07	0.7	3666	56	2
correct	0.78	0.8	4223	36	7
attachment	1.16	0.8	2425	93	10
or	0.24	0.9	1357	70	2
attachments	0.07	0.8	6340	53	11

Keyword	CPC	PCC	Volume	Score
which is correct attachment or attachments	1.53	0.5	863	58