õnnetustega
"Õnnetustega" is the Estonian word for "with accidents" or "by accidents." It is the inessive plural form of the word "õnnetus," which translates to "accident." This grammatical form is used to indicate that something happens *in* or *by means of* accidents, or when referring to multiple accidents in a context.
For example, in a sentence like "Ta sattus õnnetustega koju," it means "He ended up at home