Cases of word usage

1) a celebration on a day when something happened on the same date a year, or many years, before (anniversary)

2) (to have) the first meal of the day (breakfast)

3) to do something to show that (a day or an invent) is important or an occasion for rejoicing (celebrate)

4) a long seat like a bed, used for sitting on or lying on during the day (couch)

5) (happening, done, appearing) every day (or every weekday) (daily)

6) the first light of day (dawn)

7) the light of day (daylight)

8) the day of Judgement (doomsday)

9) the time of the year when day and night are of equal length (equinox)

10) a day or evening before a religious festival or any date or event; evening (eve)