Verbal Nouns Starting with 'I'

Browse 46 valid English verbal nouns starting with 'I' from familiar terms like Investment, Investigation, Implementation and Invasion to rare vocabulary. Check definitions and spelling below, or visit our complete verb grammar guide to master structural usage rules.

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Starts with IC2 words
icebreaking
iceboating
Starts with IM7 words
implementation
imaging
imprinting
importation
impalement
impaction
immunoblotting
Starts with IN24 words
investment
investigation
invasion
injection
interception
inoculation
infighting
inbreeding
incineration
interbreeding
intubation
insourcing
intercropping
interleaving
indwelling
infilling
inflowing
interworking
ingoing
ingathering
internetworking
inpouring
infolding
interlending
Starts with IO1 words
iodation
Starts with IR3 words
irrigation
ironing
irradiation
Starts with IS1 words
islanding
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