The words a certain person (you?) may have grown up with may be the same or different than the words used in Gurbani.
There is nothing wrong in using Gurbani-approved metaphors or words, including Allah, Khuda, Gusain, Swami, Takhur, Parvadgaar, Beethal, mountain, and even the dreaded uppar-vala.
The word "uppar-vala" literally means "the one who is above" which is what the line from Gurbani I quoted references. The Guru is above us.