above-board vs most

above-board

• Honestly; openly. 

• In open sight; without trick, concealment, or deception. 

most

• To a great extent or degree; highly; very. 

• Almost. 

• Forms the superlative of many adjectives. 

• A record-setting amount. 

• The greatest amount. 

• The greater part. 

• The greater part of a group, especially a group of people.