That is gibberish, not a word in English.
Unusual or strange.
No. Peculate (meaning 'embezzle') has the derivatives Peculated Peculates Peculating Peculation/s Peculators and Peculiar (meaning 'unusual') has the derivatives Peculiarity/ies Peculiarly Peculiars These are the only "pecul~" words I can come up with.
the act of illegally taking or using money, especially public money, that you are responsible for managing: The cabinet minister is being held on charges of peculation of government funds. Want to learn more? (Definition of peculation from the Cambridge Business English Dictionary © Cambridge University Press).