Riina kacha mma aha pụtara: Obodo, Oge a, Enyịn, Kechioma, Eru. Nweta Riina pụtara aha.
Koster kacha mma aha nna pụtara: Enyi na enyi, Oké njọ, Enyịn, Iwe, Eru. Nweta Koster pụtara aha nna.
Riina si malite aha mbụ. Short form of Katariina. Nweta Riina si malite aha mbụ.
Aha ikpeazụ Koster kasị nkịtị na Netherlands. Nweta Koster aha nna na-agbasa.
Transcription ma ọ bụ otú kpo aha mbụ Riina: REE:-nah (na Finnish). Olee otú ịkpọ Riina.
Agakọta aha maka Riina na mba dị iche iche na-asụ asụsụ: Aikaterine, Cătălina, Cadi, Caelie, Caileigh, Cailin, Cailyn, Cáit, Caitlín, Caitlin, Caitria, Caitrìona, Caitríona, Caja, Cajsa, Caleigh, Caren, Carin, Carina, Carine, Caryn, Catalina, Catarina, Cate, Cateline, Caterina, Catharina, Catharine, Catherin, Catherina, Catherine, Cathleen, Cathrin, Cathrine, Cathryn, Cathy, Cátia, Catina, Cato, Catrin, Catrina, Catrine, Catriona, Cayley, Ecaterina, Eka, Ekaterina, Ekaterine, Ina, Jekaterina, Käthe, Kae, Kaelea, Kaelee, Kaelyn, Kaety, Kaia, Kai, Kailee, Kailey, Kailyn, Kaja, Kaj, Kajsa, Kakalina, Kaleigh, Kalena, Kaley, Kalie, Kalyn, Karen, Karena, Kari, Karin, Karina, Karine, Karine, Karyn, Kasia, Kat, Kata, Katalin, Katalinka, Katarína, Katarin, Katarina, Katarine, Katarzyna, Kate, Katee, Katelijn, Katelijne, Katell, Katenka, Kateri, Katerina, Kateřina, Kateryna, Katey, Katharina, Katharine, Katharyn, Katherina, Katherine, Katheryn, Katheryne, Kathi, Kathie, Kathleen, Kathrin, Kathrine, Kathryn, Kathy, Kati, Katia, Katica, Katie, Katina, Katinka, Katja, Katka, Kató, Katrė, Katrien, Katrín, Katrijn, Katrin, Katrina, Katrine, Katriona, Katsiaryna, Kattalin, Katy, Katya, Kay, Kaye, Kayla, Kayleah, Kaylee, Kayleen, Kayleigh, Kayley, Kaylie, Kaylin, Kayly, Kaylyn, Kaylynn, Keighley, Kerena, Kit, Kitti, Kitty, Kotryna, Nienke, Nine, Nynke, Rina, Rini, Riny, Ríona, Tina, Tineke, Trijntje, Trina, Trine, Yekaterina. Nweta Riina na ndị ọzọ asụsụ.
Kasị nkịtị aha na aha ikpeazụ Koster: Kathleen, Josh, Carol, Dwain, Hannalize. Nweta Aha na-aga na Koster.
Ndakọrịta nke Riina na Koster bụ 75%. Nweta Ndakọrịta nke Riina na Koster.