Keyword Analysis & Research: difference between smooth er and rough er

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
difference between smooth er and rough er	1.07	0.1	8484	99	41
difference	1.31	1	8682	66	10
between	1.53	0.3	4787	96	7
smooth	1.7	0.9	4325	70	6
er	1.06	0.1	5963	27	2
and	0.55	0.6	3173	89	3
rough	1.16	0.3	162	89	5
er	1.33	0.6	5913	93	2

Keyword	CPC	PCC	Volume	Score
difference between smooth er and rough er	0.85	0.2	3007	96
what is the difference rough er and smooth er	0.27	0.8	8556	53