Regularly or frequently behave in a particular way or have a certain characteristic.
Often with the mouth morpheme "MA" in most contexts.
The sign TEND-to can be used in more contexts and its meaning can be broader than the concept "tend to" itself. E.g. "usually", "typically", "the way" or "his/her way", "the person's characteristics or habits", ...
Review 101 words. Refresher.