wikipedia

As nouns the difference between yahoo and wikipedia

is that yahoo is a rough, coarse, or uncouth person; yokel; lout while Wikipedia is a version of the encyclopedia Wikipedia (a free-content online encyclopedia) in a particular language.

As an interjection yahoo

is an exclamation of joy.

As a proper noun Wikipedia is

a free-content online encyclopedia founded in 2001, collaboratively developed over the World Wide Web in a number of languages.

As a verb Wikipedia is

to consult Wikipedia for information.

Ensycopedia is likely misspelled.

Ensycopedia has no English definition.

As a proper noun Wikipedia

is a free-content online encyclopedia founded in 2001, collaboratively developed over the World Wide Web in a number of languages.

As a noun Wikipedia

is a version of the encyclopedia Wikipedia (a free-content online encyclopedia) in a particular language.

As a verb Wikipedia

is to consult Wikipedia for information.