There are knots that have similar sort of a structure or a look-alike looping which can easily confuse someone who is not seasoned in knots and safety associated with them.
As a thumb rule, beginners are always advised to get their knots inspected by a veteran before they bank their safety upon it.
But, yet, Can we list out knots that stand a chance to jeopardize the safety due to a minor mistake? Well, a minor mistake in any knot puts the safety into a jeopardy, but still.
What are similar-looking knots which are not an alternative to each-other?
For example, a Butterfly knot and a False butterfly. Or a Reef knot and a Granny knot or a Grief knot.