There are many pocket-sized books of fishing knots available; just search Amazon with "fishing knot book". Monofilament is slippery stuff and many of the nautical knots are not well suited for it. If you use mono, it's worth getting one of these books.
I use the double fisherman's bend...
https://www.animatedknots.com/double...mans-bend-knot
frequently because it's easy to remember and, despite locking tightly, is easy to undo.
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