This is the 7489th most frequent Turkish word.
gün
"Day."
'Bugün' here means 'today' and highlights the use of 'gün' in forming temporal references.
Bugün hava çok güzel.
Today the weather is very nice.
'Her gün' means 'every day,' showcasing 'gün' combined with 'her' for recurring time frames.
Her gün biraz daha çalışıyorum.
I work a little more every day.
'Günlerin' is the plural form meaning 'days,' showing 'gün' as part of the plural construction to describe multiple instances of days.