Synonyms are different words with similar meaning. Does there a word exist that denotes the same essence but denotes similar domain of functionality for different software systems.
For e.g. An internet bot and a desktop application which work with the English language to generate tweets and songs respectively. Irrespective of how they work since they both come under Natural Language Generation domain if one were to compare say both these systems and use a word
x such that "Despite their commercial aspects both these systems are
P.S. I am not a native English speaker. Feel free to criticize as much on the writing style, grammar, and poor voice as well if any.