A History of Short Words

From the New York Times Crossword Puzzle

ADDS

Mon, 6 May '24
Uses a "+" sign
Mon, 19 Feb '24
Calculates sum-thing?
Wed, 24 Jan '24
Throws in
Thu, 4 Jan '24
Tosses in
Thu, 16 Nov '23
Puts on, perhaps
Tue, 22 Aug '23
Contributes
Sat, 12 Aug '23
Kicks in
Thu, 1 Jun '23
Puts on
Fri, 26 May '23
Interjects
Thu, 27 Apr '23
Throws in
Fri, 14 Apr '23
Goes on to say
Tue, 4 Apr '23
Tacks on
Mon, 6 Feb '23
Does sums
Tue, 22 Nov '22
Chimes in with
Mon, 31 Oct '22
Sums
Sun, 2 Oct '22
Remarks further
Tue, 20 Sep '22
Puts two and two together, e.g.
Mon, 29 Aug '22
Does some mental math
Thu, 16 Jun '22
Tots (up)
Sun, 30 Jan '22
Annexes
Thu, 20 Jan '22
Goes on to say
Sun, 2 Jan '22
Throws in
Sat, 18 Dec '21
Puts on
Fri, 10 Dec '21
Puts on
Thu, 9 Sep '21
Is calculating, say
Sun, 1 Aug '21
Does a summer job?
Thu, 8 Jul '21
Puts on top of
Thu, 3 Jun '21
Stirs in
Mon, 17 May '21
Puts two and two together, say
Sat, 15 May '21
Puts on
Tue, 9 Mar '21
Tacks on