Keyword Analysis & Research: what does the prefix dem mean

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does the prefix dem mean	1.76	0.6	7750	4	29
what	0.38	1	6078	10	4
does	0.83	0.6	1555	33	4
the	0.14	0.1	6885	40	3
prefix	0.52	0.4	9206	63	6
dem	0.97	0.9	9345	57	3
mean	0.22	0.7	2559	64	4

Keyword	CPC	PCC	Volume	Score
what does the prefix dem mean	1.36	0.3	392	23