This is the 2687th most frequent Russian word.
акация
"Acacia" – a type of tree or shrub from the Acacia genus, often with small flowers and feathery leaves.
Here, 'акация' is used as the subject of the sentence, a noun indicating the tree.
На улице растёт огромная акация.
On the street, there's a huge acacia growing.
In this sentence, 'акация' is the subject, referring to the tree during its blooming season.
Весной акация цветёт яркими белыми цветами.
In spring, the acacia blooms with bright white flowers.
Here, 'акация' is the direct object of the sentence, referring to the newly planted tree.