Alliteration

Part of Speech: Noun

The occurrence of the same initial sound in several words in succession

Littera (Latin) "letter"

In kindergarten, the teacher taught the children the alliteration "Peter Piper picked a peck of pickled peppers" and they all got tongue tied.

Conscription

Part of Speech : noun

A military draft

Scribo, Scribere, Scripsi, Scriptum (Latin) "to write"

As many soldiers were dying, the government felt it was right to have a  conscription to replenish the army.

Pseudonym

Part of Speech : Noun

A word fictious name

Onoma (Greek) "name"

The famous author J.K. Rowling used the pseudonym Kennilworthy Whisp in certain situations where she didn't want to use her nane.

Nomenclature

Part of Speech : Noun

A system of naming, especially in the arts or sciences

Nomen (Latin) "name"

The chemistry teacher explained the nomenclature of the different chemicals.