A lot of comedy comes from using the "wrong" register for a given situation, and a lot of amusement for English speakers learning German comes from the fact that Germanic languages gave us our informal-register vocabulary (our formal vocabulary came from Greek and Latin by way of French).
(thus, for example, a science student giggles a bit at the seemingly-informal "Wasserstoff", sounding as it does like "water stuff", but doesn't bat an eye at "hydrogen", even though the Greek root words mean essentially the same thing)
A lot of comedy comes from using the "wrong" register for a given situation, and a lot of amusement for English speakers learning German comes from the fact that Germanic languages gave us our informal-register vocabulary (our formal vocabulary came from Greek and Latin by way of French).
(thus, for example, a science student giggles a bit at the seemingly-informal "Wasserstoff", sounding as it does like "water stuff", but doesn't bat an eye at "hydrogen", even though the Greek root words mean essentially the same thing)