when were abbreviations invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when were abbreviations invented	0.59	0.6	4981	7	32
when	0.46	0.2	8806	25	4
were	1.04	0.2	3208	69	4
abbreviations	1.87	0.8	4707	11	13
invented	0.81	0.2	6997	87	8

Keyword	CPC	PCC	Volume	Score
when were abbreviations invented	0.81	0.2	8320	27
when were acronyms invented	0.55	0.7	6876	9
where did abbreviations come from	0.66	0.1	9633	65
when did acronyms come into use	1.48	0.2	5203	87
the history and origin of acronyms	0.72	0.5	2809	99
how to abbreviate established date	0.78	0.8	4362	15
when was names invented	1.67	0.5	8101	27
abbreviation for established date	1.06	0.9	2893	94
abbreviation for established year	1.01	0.8	2484	85
what's the abbreviation for established	0.88	1	1958	8
first letters of words to make abbreviation	1.31	0.2	2727	44
words made from abbreviations	0.32	1	8617	8
history of abbreviation medical	1.8	0.9	162	39
how to abbreviate established	0.14	0.6	3669	92
how to make an abbreviation	0.51	0.7	7748	14
beginning of year abbreviation	1.39	0.7	7957	13
how do you abbreviate original	0.68	0.2	427	12
how to abbreviate abbreviation	1.3	1	8467	32