envoy

As a letter s

is the letter s with a.

As a noun envoy is

(senseid)representative.

Substitute is a related term of envoy.

As nouns the difference between substitute and envoy

is that substitute is a replacement or stand-in for something that achieves a similar result or purpose while envoy is (senseid)representative.

As a verb substitute

is to use in place of something else, with the same function.

Envoy is a related term of indicator.

As a noun envoy

is (senseid)representative.

As a proper noun indicator is

.

As nouns the difference between matador and envoy

is that matador is matador (bullfighter) while envoy is (senseid)representative.

As nouns the difference between diplomatic and envoy

is that diplomatic is diplomat while envoy is (senseid)representative.

As nouns the difference between proxy and envoy

is that proxy is an agent or substitute authorized to act for another person or proxy can be (gaming|slang) a proximity mine; a mine that explodes when something approaches within a certain distance while envoy is (senseid)representative.

As an adjective proxy

is used as a proxy or acting as a proxy.

As a verb proxy

is to serve as a proxy for.

As nouns the difference between envoy and jealousy

is that envoy is (senseid)representative while jealousy is (uncountable) a state of suspicious guarding towards a spouse, lover etc, from fears of infidelity.