Keyword Analysis & Research: why is a thumb called a thumb

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why is a thumb called a thumb	0.2	0.7	1732	17	29
why	0.59	0.8	8145	51	3
is	0.52	0.4	9645	46	2
a	0.84	0.4	7173	68	1
thumb	0.51	0.5	674	9	5
called	0.04	0.4	6606	68	6
a	1.04	0.3	7383	35	1
thumb	1.05	0.7	9676	19	5

Keyword	CPC	PCC	Volume	Score
why is a thumb called a thumb	0.41	0.3	3878	22
what is a thumb called	1.19	0.3	3323	71
what is the meaning of the thumb	1.65	0.9	6643	60
what is a thumb	1.99	0.2	5101	52
what is the definition of thumb	1.87	0.9	8746	22
what is the medical term for thumb	1.55	0.2	8214	42
thumb in medical terminology	0.31	0.7	8761	1
thumb in medical term	0.16	0.7	6870	79
what does the thumb thing mean	0.79	0.3	3752	30
technical term for the thumb	0.45	1	3432	80
thumb meaning in english	1.33	0.5	6927	7
space between thumb and index finger called	0.04	0.9	464	29