I have seen the word "doublet" used to mean two words that come from the same root word.
Poveren, position
frequent, frequenting, frequently
== == Similar words are called "synonyms."Synonyms
When words share the same etymology and the same meaning, they are called Cognates.
It is called synonymy when different words have the same meaning.
These words are called cognate words. They are related to each other by the root word, but they are not the same exact word.
Amplified
Poveren, position
Amplified
The core or foundation of a word's meaning is its root. A word's root typically carries the fundamental meaning of the word and can often be traced back to its original language. Understanding a word's root can help in deciphering its meaning and connecting it to related words.
electricity, electric
Fibrous root system
yes
frequent, frequenting, frequently
Two forms of the same word are called doublets. Doublets come from the same root word. The root word which a doublet comes from can come from two different languages.
When words share the same etymology and the same meaning, they are called Cognates.
Two words with same meaning are called synonyms.