efficacy
How to pronounce efficacy:
Synonyms for efficacy:
ability
effectiveness
effectuality
effectualness
efficacious
efficaciousness
efficacity
efficiency
fruitfulness
inefficacious
potency
power
productiveness
strength
success
use
usefulness
value
vigour
virtue
Antonyms for efficacy:
apathy
asthenia
carelessness
debilitation
debility
decrepitude
delicacy
delicateness
disability
disorder
disorderedness
disorderliness
disorganisation
disorganization
disregard
enervation
enfeeblement
exhaustion
failure
faintness
fatigue
feebleness
fragility
frailness
fruitlessness
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Other 4-syllable words like efficacy
Here are some other common words that have 4 syllables, like efficacy does.
- hegemony
- indecisive
- millennium
- autonomous
- peninsula
- narcissistic
- vulnerably
- lascivious
- prejudicial
- teetotaller
- analogy
- diacritic
- sagittate-leaf
- falteringly
- reevaluate
- concomitant
- desultory
- legislature
- well-organized
- redecorate
- securable
- unrequested
- immediate
- unabated
- iteration
- amenable
- amicable
- calculation
- chiropractic
- Eugenia
- storifying
- disorganize
- esoteric
- stupidity
- prospectively
- reappearance
- benaiah
- unpleasantly
- exuberant
- Rogelio
- annihilate
- awe-inspiring
- carabiner
- nugatory
- Amadeo
- abnegation
- architecture
- overanxious
- unrespected
- hectoliter
- … more
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- feted
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- meticulously
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- onto
- dissipated
- defiantly
- stealthily
- tooken
- sophomoric
- tangentially
- peeking
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- elongate
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- traveled
- emulate
- assume