envy

In obsolete|lang=en terms the difference between rival and envy

is that rival is (obsolete) one having a common right or privilege with another; a partner while envy is (obsolete) to emulate.

In lang=en terms the difference between rival and envy

is that rival is to oppose or compete with while envy is to feel displeasure or hatred towards (someone) for their good fortune or possessions.

As nouns the difference between rival and envy

is that rival is a competitor (person, team, company, etc) with the same goal as another, or striving to attain the same thing defeating a rival may be a primary or necessary goal of a competitor while envy is resentful desire of something possessed by another or others (but not limited to material possessions).

As verbs the difference between rival and envy

is that rival is to oppose or compete with while envy is to feel displeasure or hatred towards (someone) for their good fortune or possessions.

As an adjective rival

is having the same pretensions or claims; standing in competition for superiority.

As nouns the difference between rivalry and envy

is that rivalry is the relationship between two or more rivals who regularly compete with each other the term usually applies to two rivals while envy is resentful desire of something possessed by another or others (but not limited to material possessions).

As a verb envy is

to feel displeasure or hatred towards (someone) for their good fortune or possessions.

As a noun envy

is resentful desire of something possessed by another or others (but not limited to material possessions).

As a verb envy

is to feel displeasure or hatred towards (someone) for their good fortune or possessions.

As a proper noun sin is

china.

As a noun envy

is resentful desire of something possessed by another or others (but not limited to material possessions).

As a verb envy

is to feel displeasure or hatred towards (someone) for their good fortune or possessions.

As an adjective covetous is

inordinately desirous; excessively eager to obtain and possess (especially money); avaricious.