This is the 5850th most frequent Japanese word.
ふつう
"ふつう" means "normal" or "ordinary."
In this sentence, 'ふつう' means 'usually' or 'generally', representing a habitual or typical situation.
ふつう、ここに列車があります。
Usually, there is a train here.
Here, 'ふつう' is used to mean 'normal' or 'standard', describing the average or common characteristic of the house size.
その家はふつうの大きさです。
That house is of normal size.
In this sentence, 'ふつう' describes a state of being 'normal' or 'as usual', referring to the ordinary emotional or physical condition.