I ranked all 153 Pokemon Type combinations by similarity in Excel (link in comments) : r/pokemon

Unused type combinations by AdeptCharon on DeviantArt

A chart with what type combinations are missing and an example for each comb there is already - 9GAG

Top 5 Strongest Type Combos

Booker on X: So since folks are gonna be speculating about new Pokemon now, I threw together a quick list of type combinations which don't exist yet! / X

What's the WORST Pokémon TYPE COMBO!? #pokemontheory #pokemonscarletvi

Ranking the 5 best Pokémon type combinations - Dot Esports

All unused Pokemon type combinations so far, Pokémon

All Unused Pokemon Type Combinations So Far, Ranked Worst To Best

Unused Type Combinations for Pokemon (for Fakemon Making Fanatics)

Pokémon: 5 Type Combinations That Are Overrated (& 5 That Are Severely Underrated)