What are the best answers for “another word for effectiveness”?

effectivity, effectuality, effectualness.

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

The most common answer is effectivity (11 letters).

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

effectivity 11 letters gen-syn

power to be effective; the quality of being able to bring about an effect

effectuality 12 letters gen-syn

power to be effective; the quality of being able to bring about an effect

effectualness 13 letters gen-syn

power to be effective; the quality of being able to bring about an effect

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