How to pronounce Ext

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Maybe this is a dull question, but I'm curious about how people pronounce the word 'Ext', for the $\operatorname{Ext}^{n}_{R}$ functor; some people called it as 'ee-ex-tee', 'eksit', or even just an $n$-th derived functor of Hom, and personally I have called it as something like 'ekst', just as pronouncing 'extension'(analogously for Tor as an abbreviation of torsion). Are there any commonly-adopted ways of pronouncing Ext?

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I feel the most obvious and simple pronunciation would be the "ext" part of "extension," just as you said. It is easy to say, short, and quite unambiguous as far as 3 character names go.