Synonyms and Antonyms of inefficacious (ĭn-ĕf&stress;ĭ-kāshəs)

ineffective ineffectual inefficient useless

efficacious

affect

inefficacious ₂₃

efficacious ₂₁

caffeinic ₁₉ fancifies ₁₇

caffeins ₁₆ affusion ₁₄ effusion ₁₄ unifaces ₁₃ cocaines ₁₂

caffein ₁₅ coffins ₁₅ coiffes ₁₅ fanfics ₁₅ offices ₁₅ suffice ₁₅ affines ₁₃ confuse ₁₂ fancies ₁₂ fascine ₁₂ fiances ₁₂ uniface ₁₂ cocaine ₁₁ cocains ₁₁ concise ₁₁ oceanic ₁₁ unifies ₁₀ acinose ₉ acinous ₉ cuisine ₉ eosinic ₉ nicoise ₉

coffin ₁₄ coiffe ₁₄ fanfic ₁₄ office ₁₄ affine ₁₂ facies ₁₁ fauces ₁₁ fiance ₁₁ fiasco ₁₁ ficins ₁₁ ficoes ₁₁ fincas ₁₁ fucose ₁₁ unific ₁₁ accuse ₁₀ acinic ₁₀ caseic ₁₀ cocain ₁₀ conics ₁₀ iconic ₁₀ scenic ₁₀ sconce ₁₀ siccan ₁₀ fusain ₉ fusion ₉ infuse ₉ unsafe ₉ acinus ₈ aeonic ₈ anisic ₈ canoes ₈ casein ₈ casini ₈ casino ₈ conies ₈ cosine ₈ cousin ₈ icones ₈ incase ₈ incise ₈ incuse ₈ ionics ₈ oceans ₈ oscine ₈ ounces ₈ uncase ₈ unciae ₈ usance ₈ ionise ₆

caffs ₁₃ coffs ₁₃ cuffs ₁₃ scoff ₁₃ scuff ₁₃ fiefs ₁₁ fifes ₁₁ naffs ₁₁ niffs ₁₁ nuffs ₁₁ sniff ₁₁ snuff ₁₁ cafes ₁₀ coifs ₁₀ cuifs ₁₀ faces ₁₀ fices ₁₀ ficin ₁₀ ficus ₁₀ finca ₁₀ focus ₁₀ cisco ₉ cocas ₉ conic ₉ cosec ₉ cusec ₉ secco ₉ fanes ₈ fanos ₈ fauns ₈ fines ₈ finis ₈ finos ₈ foins ₈ infos ₈ naifs ₈ neifs ₈ snafu ₈ acini ₇ acnes ₇ ascon ₇ cains ₇ canes ₇ canoe ₇ canso ₇ cause ₇ cines ₇ cions ₇ coins ₇ cones ₇

caff ₁₂ coff ₁₂ cuff ₁₂ effs ₁₀ fief ₁₀ fife ₁₀ naff ₁₀ niff ₁₀ nuff ₁₀ offa ₁₀ offs ₁₀ cafe ₉ cafs ₉ coif ₉ cuif ₉ face ₉ fice ₉ fico ₉ fisc ₉ foci ₉ fuci ₉ ceca ₈ coca ₈ enuf ₇ fain ₇ fane ₇ fano ₇ fans ₇ faun ₇ fens ₇ feus ₇ fine ₇ fino ₇ fins ₇ foes ₇ foin ₇ fons ₇ funs ₇ fuse ₇ info ₇ naif ₇ neif ₇ oafs ₇ safe ₇ seif ₇ sofa ₇ aces ₆ acne ₆ asci ₆ cain ₆

aff ₉ eff ₉ iff ₉ off ₉ caf ₈ efs ₆ fan ₆ fas ₆ fen ₆ fes ₆ feu ₆ fie ₆ fin ₆ foe ₆ fon ₆ fou ₆ fun ₆ ifs ₆ oaf ₆ ace ₅ can ₅ cis ₅ con ₅ cos ₅ cue ₅ eco ₅ ecu ₅ ice ₅ oca ₅ sac ₅ sec ₅ sic ₅ soc ₅ ain ₃ ais ₃ ane ₃ ani ₃ eau ₃ ens ₃ eon ₃ ins ₃ ion ₃ nae ₃ nos ₃ nus ₃ oes ₃ one ₃ ons ₃ ose ₃ sae ₃

ef ₅ fa ₅ fe ₅ if ₅ of ₅ ae ₂ ai ₂ an ₂ as ₂ en ₂ es ₂ in ₂ is ₂ na ₂ ne ₂ no ₂ nu ₂ oe ₂ oi ₂ on ₂ os ₂ si ₂ so ₂ un ₂ us ₂