The Word is:”two”

two

/tuː/
number
cardinal number: two

equivalent to the sum of one and one; one less than three; 2.
“two years ago”
synonyms: pair, duo, duet, dyad, duplet, tandem; archaictwain

  • a group or unit of two people or things.
    noun: two; plural noun: twos
    “they would straggle home in ones and twos”
    synonyms: pair, duo, duet, dyad, duplet, tandem; archaictwain
  • two years old.
    “he is only two”
  • two o’clock.
    “the pub closed at two”
  • a size of garment or other merchandise denoted by two.
  • a playing card or domino with two pips.
  • Source credit: Google