Noun
grandfather
Honorific or respectful (sonkeigo) languageUsually written using kana aloneusual kanji form is お祖父様
old man; elderly man
Honorific or respectful (sonkeigo) languageUsually written using kana aloneusual kanji form is お爺様
Also written お爺様【おじいさま】、お祖父様【おじいさま】