This is the 10429th most frequent Polish word.
czeremchą
"Czeremchą" is the instrumental form of "czeremcha," meaning "bird cherry" (a type of tree or its fruit).
The word 'czeremchą' is used here in its instrumental form to mean 'with bird cherry trees.'
Czeremchą obsadziliśmy cały ogród w zeszłym roku.
We planted the entire garden with bird cherry trees last year.
Here, 'czeremchy' is the genitive singular form, indicating 'from the bird cherry.'
Zrobiłam dżem z owoców czeremchy, który bardzo wszystkim smakował.
I made jam from bird cherry fruits, which everyone really enjoyed.
In this sentence, 'czeremchę' is the accusative singular form, referring to 'a bird cherry.'