i
The Martian and Venusian languages had the same words, but the way they were used gave different meanings. Their expressions were similar, but they had different connotations or emotional emphasis.
Misinterpreting each other was very easy. So when communication problems emerged, they assumed it was just one of those expected misunderstandings and that with a little assistance they would surely understand each other. They experienced a trust and acceptance that we rarely experience today.