analogy for fly that has four letters

There are four terms in an analogy. What is the rest of this analogy?

spry

An analogy for a four-letter word that relates to a fly could be "buzz." Just like a fly makes a buzzing sound, the word "buzz" is associated with the sound of a fly flying around. When trying to come up with an analogy, it is helpful to think about the characteristics or actions of the object you want to represent and find a word that shares those qualities.