Reckon and Run down

Reckon verb - To decide the size, amount, number, or distance of (something) without actual measurement.

Run down and reckon are semantically related. in add up topic. In some cases you can use "Run down" instead a verb "Reckon".

Run down verb - To come upon after searching, study, or effort.

Reckon and run down are semantically related. Sometimes you can use "Reckon" instead a verb "Run down".