विशेषण • quadrennial

चार:    four tetrad little quaternity quatern quartet

साल:    annum puncture year years pangolin

साल में एक बार:    once in a blue moon

में:    within by between afield among IN amidst into in

एक:    a 1 ace unity unit oneness one theromegatherm

एक बार:    once autrefois

बार:    bar BAR tavern times turn time occasion barroom

आने वाला:    arrival arriver comer to come emerging