Englishfor English speakers
effectiveness
—
noun
power to be effective; the quality of being able to bring about an effect
—
noun
(= potency, strength)
capacity to produce strong physiological or chemical effects
the toxin's potency
the strength of the drinks
of
Preposition
—
Made using.
It is a house of cards.
fishing
—
noun
the act of someone who fishes as a diversion
—
noun
the occupation of catching fish for a living