1) By chance 2) French word used in English 3) Maybe 4) Maybe, old style 5) Mayhap 6) Perchance 7) Perhaps 8) Possibly 1) Maybe 2) Mayhap 3) Perchance 4) Perhaps 5) Possibly 
perhaps; possibly; by adventure; by chance
• (n.) Chance; hap; hence, doubt; question; as, proved beyond peradventure. • (adv. & conj.) By chance; perhaps; it may be; if; supposing.
Per`ad·ven'ture adverb & conj. [ Middle English per aventure , French par aventure . See Per , and Adventure .] By chance; perhaps; it may be; if; supposing. 'If peradventure he speak against me.' Shak. « Peradventure there be fifty righteous w...
peradventure Chance, doubt, or uncertainty.
noun doubt or uncertainty as to whether something is the case; `this proves beyond peradventure that he is innocent`