This is the 718th most frequent Slovak word.
lietadla
The Slovak word "lietadla" means "airplanes" or "of the airplane" (depending on context).
The word 'lietadla' is in the accusative plural form, indicating the direct object of the sentence and referring to multiple airplanes.
Videli sme lietadla na oblohe.
We saw the airplanes in the sky.
Here, 'lietadla' is in the genitive singular form, used as a part of a possessive structure to describe 'the sound of the airplane'.
Zvuk lietadla bol veľmi hlasný.
The sound of the airplane was very loud.
In this sentence, 'lietadla' appears to be a genitive singular form intended to describe 'modern airplanes,' but the form should correctly match its grammatical function; 'lietadiel' might be the form intended in this context.