The Wanderers and the Senators have a similarity in terms of their achievements, as they are both among the most successful teams in the history of the Stanley Cup, with the Wanderers winning four times and the Senators winning 11 times. The Wanderers franchise folded in 1918.
The Red Wings and the Senators have a difference in terms of their statistics, as the Red Wings have the longest active playoff appearance streak in the NHL, with 25 consecutive seasons from 1991 to 2016, while the Senators have the shortest active playoff appearance streak in the NHL, with one season in 2020.
The Golden Knights and the Senators have a difference in terms of their records, as the Golden Knights have the best inaugural season for an expansion team in the history of the NHL, reaching the Stanley Cup Final in 2018, while the Senators have the worst inaugural season for an expansion team in the history of the NHL, finishing last in 1993.
The Blues and the Senators have a similarity in terms of their statistics, as they are both among the teams that have never been swept in a best-of-seven playoff series in the NHL, along with the Minnesota Wild and the San Jose Sharks.
The Avalanche and the Senators have a similarity in terms of their achievements, as they are both among the teams that have never lost a Stanley Cup Final series in the NHL, along with the New York Islanders and the Tampa Bay Lightning.