Again, in transliteration, those names are all different ways of spelling the same word, borrowed even from Sri Lankan Tamil, even. It is unclear whether they are descriptive of a variety, or they are just varying because a different chef in a different region wrote in Latin characters in a different way.
பப்படம் → पापड़
The English Wikipedia covers the name's variants. And the jackfruit variety.
https://en.wikipedia.org/wiki/Papadam#Etymology
It is not my favorite appetizer, but the restaurants all seem to prepare them about the same. This is in the American Southwest with restaurants advertising cuisine of North India (vegetarian), Punjab, New Delhi, Pakistan, etc.
They are probably the most delicate crisp I've ever eaten. They crumble when I breathe on them or if they touch a drop of chutney. I wouldn't purchase them in a grocery store, for fear they would already be in crumbly pieces.