This is the 352nd most frequent Czech word.
růst
"Růst" means "growth" or "to grow" in English.
The word "růst" is used as a noun, meaning "growth or increase", referring to the process of growing.
Růst dětí je přirozený proces.
The growth of children is a natural process.
Here, "růst" functions as an infinitive verb, denoting the action of plants growing.
Rostliny potřebují světlo, aby mohly růst.
Plants need light to grow.
In this example, "růst" is a verb in its infinitive form, used metaphorically to describe the increase of non-physical aspects such as confidence.