In fact, the few words we spoke could hardly be called a conversation.
The words that are not on the list are called unfamiliar.
A word that cannot be simplified further is called reduced.
The word which explains how they compare is called the comparative.
Yet more rude gestures and angry words, not fewer, are called for.
Only words that cannot be inflected at all are called "invariable".
Those words would have been called treasonable to the people of France.
Well, I think that a few words from me are called for, as you say.
A word of command was called from rank to rank.
Such words that vary according to case are sometimes called capitonyms.