Other's is the singular possessive form of "other". Others' is the plural possessive form of "other". Examples of using these forms include: ^{tprteaching.com 1}

• We couldn’t stop staring into each other’s eyes.
• We borrowed each other’s outfits.
• The students corrected each other’s homework.
• Respect for parents, men and women equally, teachers, older people, other’s religious beliefs, respect for people of different sexual orientations, etc. ^{cognifit.com 2}