How many letters does the top answer for “something owned; any tangible or intangible possession that is owned by someone” have?

The most common answer is belongings (10 letters).

Crossword clue: something owned; any tangible or intangible possession that is owned by someone

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

belongings 10 letters wn-def

something owned; any tangible or intangible possession that is owned by someone

property 8 letters wn-def

something owned; any tangible or intangible possession that is owned by someone