Here are some other ways to express congratulations in Swahili, depending on the context:
* Hongereni: This is the plural form of "Hongera" and is used when congratulating multiple people.
* Hongera Sana: This means "Congratulations very much" and is a more emphatic way of expressing congratulations.
* Hongera kwa: This means "Congratulations for" and can be followed by the achievement you are congratulating someone on. For example, "Hongera kwa kuhitimu" (Congratulations for graduating).
You can also use the phrase Heri ya:
* Heri ya siku ya kuzaliwa: Happy birthday
* Heri ya harusi: Happy wedding
Keep in mind that the specific word choice may vary depending on the situation and your relationship with the person you are congratulating.