Don't worry, it took me years to figure out that "South Park, Bigger Longer and Uncut" was a double entendre.
Orthography is typically more conservative than pronunciation, so when the language was written down, all letters were pronounced.
Comparing cognates can be interesting.
For example English 'night' with German 'nacht', the original English pronunciation was closer to the German one.
Or 'knife' with French 'canif' (pronounced like it's spelled, for once).
I, on the other hand, seem to still be 13 years old, decades later :)