29 июл. 2011 г. · 2 years Biennial, 3 years Triennial, 4 years Quadrennial, 5 years Quinquennial, 6 years Sexennial, 7 years Septennial, 8 years Octennial, 9 years Novennial, 10 ...

19 февр. 2019 г. · Other words for spans of years also come from Latin: biennium (2 years), triennium (3 years), quadrennium (4 years), lustrum (5 years)".

29 авг. 2012 г. · There are words like Annual, Biennial, Triennial (every 1, 2, 3 years) but Quadennial seems not to be a valid word.

22 сент. 2022 г. · Five (5) years: quinquennium, quinquennial, †quinquennie, pentad. Six (6) years: sexennium, sexennate. Seven (7) years: septenary, septennary, ...

31 янв. 2017 г. · Either annually or yearly can and frequently does replace 'every year' as none of the phrases is limited by the number of occurrences.

4 окт. 2016 г. · "Perennial" should do the trick. Though a literal reading would suggest it means every year, it easily takes on a figurative sense and suits your purposes ...

31 окт. 2013 г. · I think you're after a single word like quinquennial, which refers to “every fifth year”. I looked up the phase “every fifth” in OED.

27 дек. 2010 г. · The words you're looking for are decennially (as in "the census is done decennially") and centennially (and millennially).

7 июн. 2011 г. · Obviously every year is annual. Every two years is biennial. Does the English language have a term for every 18 months? single-word-requests ...

29 мар. 2011 г. · "Biweekly" much more commonly means "every two weeks" while "biannually" much more commonly means "twice a year", yet it is somewhat acceptable to swap them.