fentanyl history of effects

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
fentanyl history of effects	0.82	0.3	6063	32	27
fentanyl	0.52	1	3171	85	8
history	1.85	0.1	2288	95	7
of	1.51	0.5	4237	1	2
effects	1.29	0.1	5413	21	7

Keyword	CPC	PCC	Volume	Score
fentanyl history of effects	0.47	0.6	5122	18
fentanyl history of synthesis	0.17	0.7	8415	56
fentanyl history of prescription	0.27	0.9	9488	55
fentanyl history of discovery	0.8	0.4	9941	11
the origins of fentanyl	0.11	0.7	6694	44
fentanyl definition and history	0.37	1	3227	3
fentanyl when was it created	0.89	0.9	8038	21
when did fentanyl become widespread	1.92	0.2	9997	22
history of the fentanyl crisis	0.26	0.1	6052	20
fentanyl history of addiction	0.77	0.9	3077	38
why was fentanyl originally created	1.92	1	511	28
how did fentanyl become a problem	1.81	0.5	5184	19
when was fentanyl first developed	0.84	0.8	4981	40
how was fentanyl invented	1.19	0.2	9314	48
when was fentanyl first introduced	0.48	0.3	3770	12
how long has fentanyl been around for	0.21	0.5	9026	18
when was fentanyl first discovered	0.63	0.1	5771	7
how long has fentanyl been a problem	0.3	0.8	963	20
how long has fentanyl existed	1.83	0.3	4006	40
where did fentanyl originated	0.35	1	1743	33