somefin/nofin = something/nothing
heroe/heroeine = hero/heroine
opportunaty (or opperchtunaty) = opportunity
gillarious/gillegal = hilarious/illegal
crayative/crayture = creative/creature
porpoise = purpose/prepose/propose
fintastic/fintasy = fantastic/fantasy
lobsta/lobstervations = lotsa/observations
finaccurate/finportant = inaccurate/important
shrimple/shrimply = simple/simply
myshellf/yourshellf/etc = myself/yourself/etc
dolphinitely = definitely
conchvienent/conchcerned/confused/etc = convienent/concerned/confused/etc
moireel/morayrail/moray-eel = moirail
appier/disappier = appear/disappear
searious/seacret/sean = serious/secret/seen
otter = other/oughta/outta
i have some stuff that aren’t puns, like adjectives and stuff that are pretty fun too
titanic = huge/big/grand/massive/etc
out the blowhole = out the ass
port/starboard = left/right
carping = talking/chatting/etc
angelfish = sweetheart/darling/etc
guppy/shrimp = somebody young or small
gaping like a fish out of water
wind in your/my/her/his/their/our sails
cut of your/my/he/she/their/our jib
lure you/me/him/her/them/us in
theres a lot of fish in the sea
it doesn’t include every pun used in canon but i hope somebody finds it useful since its been slowly growing in my notes for months.