This is the 6659th most frequent Polish word.
drewno
Wood.
The word 'drewno' is used as a noun representing the material wood.
Drewno jest naturalnym materiałem.
Wood is a natural material.
The word 'drewna' is the genitive form of 'drewno,' used to specify what the table is made of.
Kupiliśmy nowy stół z drewna.
We bought a new table made of wood.
The word 'drewno' is used as a noun representing firewood specifically for burning.