easy

As adjectives the difference between easy and susceptible

is that easy is comfortable; at ease while susceptible is likely to be affected by something.

As nouns the difference between easy and susceptible

is that easy is something that is easy while susceptible is (epidemiology) a person who is vulnerable to being infected by a certain disease.

As an adverb easy

is in a relaxed or casual manner.

As a verb easy

is to easy-oar (stop rowing).

As adjectives the difference between easy and mild

is that easy is comfortable; at ease while mild is gentle and not easily provoked.

As nouns the difference between easy and mild

is that easy is something that is easy while mild is (british) a relatively low-gravity beer, often with a dark colour; mild ale.

As an adverb easy

is in a relaxed or casual manner.

As a verb easy

is to easy-oar (stop rowing).

Undisturbed is a related term of easy.

As adjectives the difference between undisturbed and easy

is that undisturbed is not disturbed or agitated while easy is comfortable; at ease.

As an adverb easy is

in a relaxed or casual manner.

As a noun easy is

something that is easy.

As a verb easy is

to easy-oar (stop rowing).