How many letters does the top answer for “sultanate and one of the 13 states that constitute the federation of malaysia” have?

The most common answer is johor (5 letters).

Crossword clue: sultanate and one of the 13 states that constitute the federation of malaysia

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

johor 5 letters wn-def

sultanate and one of the 13 states that constitute the Federation of Malaysia

selangor 8 letters wn-def

sultanate and one of the 13 states that constitute the Federation of Malaysia