α. 1500s–1600s parelii (plural), 1600s parelios, 1600s parelius, 1600s parhelius, 1700s parhelii (plural).
β. 1600s parahelii (plural), 1600s parelias (plural, irregular), 1600s parelion, 1600s parhelia's (plural, irregular), 1600s parrhelions (plural, irregular), 1600s– parhelion, 1600s– parhelions (plural, now rare), 1700s parelium, 1700s parhelium, 1700s– parhelia (plural), 1800s– parahelion.
γ. 1600s parelies (plural).