спор

1) General subject: a dispute over (smth.) (о чем-л.), argument, argumentation, argy bargy, barney, beef, bickering, breeze, chaffer (из-за цены), contention, contest, controversy, disputation, dispute, embroglio, fencing, fight, haggle, hair-splitting, imbroglio, jarring, litigation, logic chopping, logic-chopping, polemic, quarrel, quarreller, row, spar, splutter, strife, tilt, tongue fence, tongue-fence, tussle, wrangle, and fro, debate

2) French: demele, demкlй

3) Obsolete: jangle

4) Mathematics: arguments, controversies, debates

5) Law: contentious case, controversion, difference, dispute (обсуждение), variance

6) Australian slang: scrap

7) Diplomatic term: wrangling

8) Psychology: argument (особенно жаркий), eristic

9) Scottish language: sturt

10) Jargon: argy-bargy, break it up, hassel, hassle, niff-naw, pow-wow, run-in, shoot-out, blow-off blowoff, rhubarb

11) Business: disagreement, sparring

12) Makarov: to-and-fro