Language, A Language
noun
When you say words in a language, you are speaking a language. Not sure what that language is, but since you're saying it it must be real.
げんご
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
色々な言語を学ぶために海外へ行きました。
I went abroad to learn various languages.
多くの言語を話す事が出来る人をポリグロットと言うんですね。
A person who can speak many languages is called polyglot.
言語学を学ぶために、去年大学院へ進んだ。
I started going to graduate school last year to learn linguistics.