15 letters
- lightsomenesses24
- limitlessnesses21
- litigiousnesses20
- loathsomenesses22
- lucrativenesses25
- ludicrousnesses23
- luxuriousnesses27
- maladroitnesses21
- maliciousnesses24
- marvelousnesses25
- masterfulnesses24
- melodiousnesses22
- memorablenesses26
- mercenarinesses23
- mercilessnesses23
- mercurialnesses24
- miserablenesses23
- misguidednesses24
- momentarinesses23
- momentousnesses24
- monstrousnesses21
- murderousnesses22
- nervelessnesses22
- niggardlinesses23
- nonrandomnesses23
- nonuniquenesses30
- normativenesses24
- objectivenesses35
- obliviousnesses25
- obnoxiousnesses28
- obsessivenesses23
- obstinatenesses20
- obtrusivenesses24
- offensivenesses27
- offhandednesses27
- officiousnesses26
- operativenesses23
- opportunenesses24
- outspokennesses25
- overeagernesses22
- oversweetnesses23
- painterlinesses21
- palatablenesses24
- peaceablenesses26
- pendulousnesses24
- penuriousnesses22
- permanentnesses24
- pervasivenesses27
- pervertednesses24
- pictorialnesses23
- pigheadednesses25
- pinheadednesses24
- plaintivenesses25
- plausiblenesses25
- plenteousnesses22
- plentifulnesses26
- pointlessnesses21
- ponderousnesses22
- possessednesses20
- powerlessnesses23
- practicalnesses26
- prayerfulnesses26
- prematurenesses23
- primitivenesses26
- promotivenesses26
- proximatenesses29
- purposivenesses27
- querulousnesses29
- rapaciousnesses23
- rapturousnesses21
- receptivenesses26
- recessivenesses23
- reclusivenesses25
- reconditenesses21
- recursivenesses24
- reductivenesses25
- reflexivenesses31
- regardfulnesses24
- regretfulnesses23
- religiousnesses20
- removablenesses27
- reposefulnesses24
- repulsivenesses25
- requisitenesses26
- resentfulnesses22
- resistivenesses20
- retentivenesses21
- righteousnesses21
- sagaciousnesses22
- salaciousnesses21
- seaworthinesses21
- seclusivenesses25
- secondarinesses21
- secretivenesses23
- seditiousnesses18
- seductivenesses25
- selectivenesses24
- senselessnesses18
- sensitivenesses21
- separablenesses23
- shamelessnesses22
- shapelessnesses22
- shiftlessnesses22
- sightlessnesses21
- sleeplessnesses21
- sorrowfulnesses24
- spinelessnesses21
- spiritualnesses21
- sprightlinesses24
- squeamishnesses31
- statelessnesses17
- steadfastnesses20
- strenuousnesses19
- stylelessnesses20
- sulfurousnesses23
- sumptuousnesses25
- superablenesses24
- talkativenesses25
- tastelessnesses17
- teachablenesses25
- temperatenesses22
- temporarinesses22
- tenaciousnesses21
- tentativenesses21
- thanklessnesses24
- thinkablenesses27
- tomboyishnesses26
- toothsomenesses21
- tractablenesses23
- tremulousnesses22
- troublousnesses22
- unboundednesses25
- uncertainnesses22
- uncleanlinesses24
- undutifulnesses25
- unearthlinesses21
- unfeelingnesses25
- unguardednesses23
- unhealthinesses23
- universalnesses23
- unnaturalnesses21
- unselfishnesses24
- unseriousnesses19
- unsettlednesses20
- unsightlinesses23
- unwillingnesses26
- unworldlinesses24
- valuelessnesses23
- venerablenesses25
- venturousnesses23
- veraciousnesses24
- veritablenesses24
- versatilenesses21
- vexatiousnesses28
- vicariousnesses24
- visionarinesses21
- vivaciousnesses28
- voicelessnesses24
- voluntarinesses23
- voraciousnesses24
- waterlessnesses20
- wearisomenesses22
- whimsicalnesses28
- wholesomenesses25
- withdrawnnesses26
- woebegonenesses25
- wonderfulnesses26
- worrisomenesses22
- worthlessnesses22