Keyword Analysis & Research: then vs than grammar rules

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
then vs than grammar rules	0.56	0.5	28	90	26
then	1.8	0.2	3935	46	4
vs	1.44	0.1	9982	84	2
than	0.59	0.8	236	15	4
grammar	1.18	0.3	7214	47	7
rules	0.94	0.4	823	22	5

Keyword	CPC	PCC	Volume	Score
then vs than grammar rules	1.85	0.3	7126	49