Quinquennial = something that happens every 5 years. Lustral = also something that happens every 5 years
or we could invent:
semi-Decennial: where semi is half and Deccennial happens every 10 years.
The answer to the riddle is the letter "e." It appears once in the word "year" and twice in the word "decade."
The letter E appears twice in the word "week" and only once in the word "year."
The letter "e"
The letter 'E'
.
Biannual describes something that occurs twice a year, once every half year.
An event occurs 2 times in a year
A biannual event is something that occurs twice a year.
Biannual
Biannual
The letter E (once in a minute, twice in a week, and once in a year)
The word that means something occurs six times per year is "biannual." However, it's important to note that "biannual" can sometimes be confused with "biennial," which refers to something happening every two years. To avoid ambiguity, it's often clearer to specify "twice a year" when referring to biannual events.
Annually.
The very simple definition of semiannual refers to something that occurs only twice a year or every six months. Semi refers to two or twice and annual refers to a year.
biannual...
Something that is annual occurs once every year. It does not refer to something that occurs continually throughout a year. Something that lasts or continues for a long or apparently indefinite time would be called perennial.
Something that is annual occurs once every year. It does not refer to something that occurs continually throughout a year. Something that lasts or continues for a long or apparently indefinite time would be called perennial.