Keyword Analysis & Research: what is the plural of expertise

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is the plural of expertise	1.46	0.1	4721	59	31
what	1.83	0.2	6249	66	4
is	0.16	0.7	7983	49	2
the	1.46	0.9	6336	80	3
plural	0.98	0.1	6963	13	6
of	0.41	0.6	1485	97	2
expertise	0.83	0.4	6722	6	9

Keyword	CPC	PCC	Volume	Score
what is the plural of expertise	0.89	0.3	4658	88