Mistakingly (adverb)
erroneously; wrongly
Mistakenly (adverb)
wrongly, erroneously
“I mistakenly assumed that the shop was still there.”
Mistakenly (adverb)
by accident, by mistake, in error without intention to do so
“”Today I mistakenly took your packed lunch to work.”
Wiktionary
Mistakingly (adverb)
Erroneously, incorrectly, mistakenly.
Mistakenly (adverb)
in a mistaken way; wrongly
“they mistakenly believed her to be pregnant”
Mistakenly (adverb)
by accident or oversight; accidentally
“warplanes mistakenly bombed a village”
Oxford Dictionary