Yes, the base word is the word able.
by making the base word longer
Nouns that change the base word can be known as "gerunds". These are verbs that function as nouns in a sentence by adding "-ing" to the base form of the verb.
Morph
The base word of exchange is change. Change means to make the form, nature, or content of something or someone different from what it is.
-Able is the suffix of washable. It is a suffix that means ability to.
An acid base indicator is a chemical substance that has the ability to change color depending on the pH.
A base word change refers to altering the root or primary word structure in a language to create new words. This modification commonly occurs by adding prefixes or suffixes to the base word. For example, by adding "un-" to the base word "happy," you create the new word "unhappy."
it dose not change it
Transformation is the ability of something to change radically.
The base word in "isolated" is "isolate" and the ending is "-d." The base word is the main part of the word that carries the meaning, and the ending is a suffix that can change the word's form or function.
Inter (meaning among or between) Change (base word) able (can be or capable of being)
The base word for "obstinacy" is "obstinate," which means stubborn or refusing to change one's opinion or course of action.