Countable Nouns Ending in CY and Containing FI

Browse 12 valid English countable nouns ending in CY and containing FI, from Efficiency, Proficiency, Deficiency, Efficacy, Inefficiency, Insufficiency and Sufficiency to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with C
1 words
counterefficiency
Starts with D
1 words
deficiency
Starts with E
2 words
efficiency
efficacy
Starts with I
3 words
inefficiency
insufficiency
immunodeficiency
Starts with P
1 words
proficiency
Starts with S
4 words
sufficiency
significancy
superefficiency
supersufficiency

•Browse Countable Nouns by Letter (A to Z)

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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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