I words

Incheon - a futuristic Korean city known for its IT development
inch (Malay inci or inchi) = 25.4 mm = 2.54 cm

1 inch = 25.4 millimeters

insult - challenge
inject - to administer something via a syringe & needle that injures the skin
injection - the act of injecting
injecting - the act
inoculate - to inject
inoculation - injection
immune - not reacting to a stimulus or challenge
immunisation - to induce immunity by injecting according to schedule or when required
in relation to - when comparing with something or two things
inspect
inspection
inspecting
insure
insured
insuring

Insy Winsy Spider

Insy Winsy Spider - a nursery rhyme sung in many Australian kindergartens (kindy or kindies)

incentive
inroad
inroads
inflation - . The opposite is deflation
inflow
inflows

inflows - . Usage: ... there were giant inflows of capital from the rest of Europe, Germany in particular. Source: http://www.nytimes.com/2010/02/15/opinion/15krugman.html?src=tp