How many letters does the top answer for “city in pamplemousses district” have?

The most common answer is triolet (7 letters).

Crossword clue: city in pamplemousses district

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

triolet 7 letters wd-fact-v3

A short poem or stanza of eight lines, in which the first line is repeated as the fourth and again as the seventh line,

city in abinsky district 50% similar → abinsk

city in absheron district 50% similar → khyrdalan

city in acheng district 50% similar → huining

city in afaq district 50% similar → afak

city in agra district 50% similar → fatehpursikri

city in ajmer district 50% similar → kishangarh, pushkar

city in altyariq district 50% similar → tinchlik

city in amravati district 50% similar → anjangaon