How many letters does the top answer for “album by gabriel” have?

The most common answer is so (2 letters).

Crossword clue: album by gabriel

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

so 2 letters wd-fact-v3

to a very great extent or degree

up 2 letters wd-fact-v3

spatially or metaphorically from a lower to a higher position

album by that 50% similar → beautifulworld, everythingchanges, nobodyelse

album by who 50% similar → aquickone, endlesswire, facedances