hotness

As an adjective enthusiastic

is with zealous fervor; excited, motivated.

As a noun hotness is

the condition of being hot.

As nouns the difference between enthusiasm and hotness

is that enthusiasm is (obsolete|or|historical) possession by a god; divine inspiration or frenzy while hotness is the condition of being hot.

As nouns the difference between hotness and spiciness

is that hotness is the condition of being hot while spiciness is the property of being spicy.

As nouns the difference between coldness and hotness

is that coldness is the relative lack of heat while hotness is the condition of being hot.

As a noun hotness is

the condition of being hot.

As nouns the difference between hotness and notness

is that hotness is the condition of being hot while notness is (philosophy) the state of not being; nonexistence.

As nouns the difference between howness and hotness

is that howness is the state or condition of how a person, object, or thing is while hotness is the condition of being hot.

As nouns the difference between hotness and heath

is that hotness is the condition of being hot while heath is a tract of level uncultivated land with sandy soil and scrubby vegetation; heathland.

As a proper noun Heath is

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As nouns the difference between hotness and attractiveness

is that hotness is the condition of being hot while attractiveness is the state of being attractive or engaging.