Keyword Analysis & Research: what do the letters phd stand for

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what do the letters phd stand for	1.13	0.2	6845	65	33
what	0.74	0.5	7569	100	4
do	1.34	0.2	3510	72	2
the	0.72	0.6	2497	77	3
letters	1.28	0.3	5936	7	7
phd	0.52	0.1	2535	60	3
stand	1.71	0.1	8724	12	5
for	1.41	0.8	4117	18	3

Keyword	CPC	PCC	Volume	Score
what do the letters phd stand for	0.71	0.4	8288	39