https://www.musical-u.com/learn/how-do-you-hear-the-difference-between-bass-drum-and-bass-guitar/
How do you hear the difference between bass drum and bass guitar?
This is an understandable confusion, as both instruments occupy the same frequency band—i.e. they both have low-down sounds.
They also tend to work together to create the rhythm part, so their notes often overlap and they make a similar musical contribution in the band.
Here are a few things which can help you distinguish bass guitar from bass drum.