when was the automatic pistol invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the automatic pistol invented	0.66	0.3	8005	54	38
when	0.92	1	8311	63	4
was	0.67	0.2	6208	6	3
the	1.71	0.8	3307	5	3
automatic	1.58	0.2	5351	41	9
pistol	1.15	0.5	1576	35	6
invented	1.03	0.2	842	4	8

Keyword	CPC	PCC	Volume	Score
when was the automatic pistol invented	1.94	0.9	9560	44
when was the semi automatic pistol invented	1.06	0.4	2610	74
who invented the first semi automatic pistol	1.13	0.7	3753	52
who invented the automatic pistol	1.48	0.4	5225	30
who invented the semi automatic pistol	0.74	1	8907	51
when was the automatic gun invented	0.77	0.5	9988	17
when was the first automatic gun made	0.9	0.5	2269	68
the first automatic pistol	0.01	0.3	508	86
when was the automatic rifle invented	1.45	0.2	1640	22
when were automatic firearms invented	0.89	0.8	2638	49
when was the first automatic weapon invented	1.86	0.4	872	83
what was the first automatic gun	0.1	0.9	123	15
who invented the automatic gun	1.09	0.6	1407	11
who made the first automatic gun	1.39	0.9	847	77
who made the first semi automatic pistol	1.24	0.4	9657	29
what was the first fully automatic gun	1.15	0.3	7941	89