| ALERTNESS | • alertness n. The quality of being alert or on the alert. • ALERTNESS n. the state of being alert.
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| APARTNESS | • apartness n. (Uncountable) The state or quality of being apart. • apartness n. (Countable) The result or product of being apart.
 • APARTNESS n. the state of being apart.
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| APERTNESS | • apertness n. (Archaic) Openness; frankness. • APERTNESS n. (archaic) openness; frankness.
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| COVERTNESS | • covertness n. The characteristic of being covert. • COVERTNESS n. the state of being covert.
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| CURTNESS | • curtness n. The state of being curt. • CURTNESS n. the quality of being curt.
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| EXPERTNESS | • expertness n. The state of being expert. • expertness n. Skill or proficiency.
 • EXPERTNESS n. a possession of specific skills, also EXPERTISM.
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| HYPERALERTNESS | • hyperalertness n. The condition of being hyperalert. | 
| INERTNESS | • inertness n. Lack of activity or exertion; habitual indisposition to action or motion. • inertness n. Absence of the power of self-motion; inertia.
 • inertness n. (Chemistry) Quality of being unreactive with other chemical compounds or elements.
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| INEXPERTNESS | • inexpertness n. Lack of expertise or skill. • INEXPERTNESS n. a lack of specific skills.
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| MALAPERTNESS | • malapertness n. (Obsolete) The condition of being malapert. • MALAPERTNESS n. the state of being malapert.
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| OVERALERTNESS | • overalertness n. The quality of being overalert. | 
| OVERTNESS | • overtness n. The state of being overt; openness. • OVERTNESS n. the state of being overt.
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| PEARTNESS | • PEARTNESS n. the state of being peart. | 
| PERTNESS | • pertness n. The quality of being pert; cheekiness, impudence. • pertness n. The quality of being pert; firmness (usually of breasts).
 • PERTNESS n. the quality of being pert.
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| SHORTNESS | • shortness n. (Uncountable) The property of being short, of being small of stature or brief. • shortness n. (Countable) The result or product of being short.
 • shortness n. (Uncountable) The property of being short or terse.
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| SMARTNESS | • smartness n. (Uncountable) The state or quality of being smart, intelligence. • smartness n. (Countable) The result or product of being smart.
 • SMARTNESS n. the state of being smart.
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| STALWARTNESS | • stalwartness n. The state or condition of being stalwart. • STALWARTNESS n. the state of being stalwart.
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| SWARTNESS | • swartness n. The quality or state of being swart. • SWARTNESS n. the state of being swart, also SWARTHNESS.
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| TARTNESS | • tartness n. The characteristic of being tart; sharpness of taste. • TARTNESS n. the state of being tart.
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