Keyword Analysis & Research: what's the difference between md and phd

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what's the difference between md and phd	1.11	0.2	4898	47	40
what's	0.86	0.4	6692	18	6
the	0.72	0.1	7001	27	3
difference	1.94	0.9	4606	9	10
between	1.89	0.9	5791	45	7
md	0.1	0.6	3418	37	2
and	0.78	0.1	6594	46	3
phd	1.52	0.2	1864	46	3

Keyword	CPC	PCC	Volume	Score
what's the difference between md and phd	0.84	0.7	8829	77