| Form. | ||
| Atayal | irah | sister-in-law; wife's elder sister, husband's elder sister, elder brother's wife (man or woman speaking |
| WMP | ||
| Casiguran Dumagat | idás | spouse of sibling-in-law; spouse's sibling-in-law |
| Mamanwa | ilas | spouse’s sibling-in-law |
| Maranao | idas | brother-in-law, sister-in-law |
| pag-idas | brother-in-law when two men marry two sisters | |
| Manobo (Western Bukidnon) | izas | spouse’s sibling-in-law |
| Tiruray | ʔidos | husband of one’s sister-in-law; wife of one’s brother-in-law |
| Manobo (Kalamansig Cotabato) | idos | spouse’s sibling-in-law |
| Murut (Timugon) | ilas | husband's brother's wife (but not wife's sister's husband) |
| Tausug | iras | a kinship term referring to the relationship between Ego and the brother-in-law or sister-in-law of his/her spouse |
| Mentawai | ira | brother-in-law, sister-in-law (woman speaking) |
| Bikol | idás | term for spouses when two brother have married two sisters |