Amiss and Second string

Amiss adjective - Having a fault.

Second string and amiss are semantically related. In some cases you can use "Second string" instead an adjective "Amiss".

Second string noun - A squad of players that are available either individually or as a team to relieve or replace the players who started the game.

Amiss and second string are semantically related. Sometimes you can use "Amiss" instead an adjective phrase "Second string".