外公 | wài gōng | (coll.) mother's father / maternal grandfather | |
老爷 | lǎo ye | (respectful) lord / master / (coll.) maternal grandfather | |
姥爷 | lǎo ye | maternal grandfather (dialectal) | |
外祖父 | wài zǔ fù | maternal grandfather (i.e. mother's father) | |
外爷 | wài ye | (dialect) maternal grandfather |