How many letters does the top answer for “another word for alphabet” have?

The most common answer is abc (3 letters).

Crossword clue: another word for alphabet

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

abc 3 letters gen-syn

the elementary stages of any subject

abcs 4 letters gen-syn

the elementary stages of any subject

rudiments 9 letters gen-syn

the elementary stages of any subject

a transcription from one alphabet to another 50% similar → transliteration

another word for about 50% similar → approximately, roughly, some

another word for terms 50% similar → footing

another word for under 50% similar → nether

another word for word 50% similar → phrase