As a noun unite

is unity.

As an adjective interchain is

(chemistry) between chains (of a polymer etc).

As a verb interchain is

to link together; to unite closely or firmly, as if by a chain.

As a noun decade

is period of ten days (such as the week in the ).

As an adjective interdecadal is

between decades; occurring over more than one decade.

Interreligious is a synonym of interfaith.

As adjectives the difference between interfaith and interreligious

is that interfaith is involving members of different religions while interreligious is involving more than one religion.

As a noun inference

is inference.

As an adverb inferentially is

with respect to, or by means of, inference.

Inferential is a related term of inferentially.

As an adjective inferential

is of, pertaining to, or derived using inference.

As an adverb inferentially is

with respect to, or by means of, inference.

Inferentiality is a related term of inferentially.

As an adverb inferentially is

with respect to, or by means of, inference.

As nouns the difference between innovation and innovationist

is that innovation is while innovationist is a promoter of innovation.

As nouns the difference between immunological and immunotype

is that immunological is (medicine) any drug used to treat the immune system while immunotype is the form of a compound that has separate immunological characteristics.

As an adjective immunological

is (immunology) of, or relating to immunology.

As a verb permeate

is to pass through the pores or interstices of; to penetrate and pass through without causing rupture or displacement; -- applied especially to fluids which pass through substances of loose texture; as, water permeates sand.

As a noun permeate

is a watery by-product of milk production.

As an adjective impermeant is

that cannot permeate through a specified semipermeable membrane.

As adjectives the difference between semipermeable and impermeant

is that semipermeable is permeable to some things and not to others, as a cell membrane which allows some molecules through but blocks others substances while impermeant is that cannot permeate through a specified semipermeable membrane.