What's the difference between gel and gel?

What's the difference between gel and gel? The phrase what's the difference between gel and gel appears to be asking about same word, so likely means difference between types of gel or uses of word gel as noun versus verb. As noun, gel is semi-solid jelly-like substance like hair gel or shower gel. As verb, to gel means to become firm or to come together well, as in ideas gel or team gels. Difference between gel and gel could also mean difference between hydrogel and organogel, where hydrogel water-based and organogel organic solvent based, or difference between hair gel and shower gel, where hair gel for styling hair hold and shower gel for cleansing skin. There may be difference between physical gel and chemical gel in chemistry, where physical gel formed by physical cross-links and reversible, chemical gel formed by covalent bonds and irreversible. So difference depends on context, but generally gel as product varies by composition and purpose, with hair gel styling, shower gel cleansing, medical gel drug delivery, and laboratory gel separation medium.