arcade + -ian
arcadian (comparative more arcadian, superlative most arcadian)
You can also try words with the phrase ARCADIAN, words starting with the letters ARCADIAN, or words ending in the letters ARCADIAN.
Words… ending with q, starting with q, starting with qa, starting with qo, with two letters, starting with x, starting with j, ending with j,
Some random searches:
YNUAM, YNLG, IWQTIE, JXE, WLVPAEM, BWHY,