15 letters
- overglamorizing37
- overhomogenized37
- overhomogenizes36
- overidentifying29
- overimaginative29
- overindulgences29
- overingenuities24
- overintensities21
- overinvestments28
- overlengthening29
- overmedications27
- overopinionated25
- overorchestrate24
- overornamenting27
- overpersuasions24
- overpopulations28
- overprescribing31
- overproductions28
- overprogramming33
- overproportions26
- overprotections26
- overrefinements27
- overregulations24
- overrepresented24
- oversaturations21
- oversensitivity26
- oversimplifying34
- overspecialized36
- overspecializes35
- overspeculating30
- overspeculation28
- overstabilities23
- overstimulating27
- overstimulation25
- oversubscribing32
- oversweetnesses23
- overutilization31
- overwithholding31
- overzealousness31
- pervasivenesses27
- pervertednesses24
- phosphorylative32
- photoconductive33
- plaintivenesses25
- postdivestiture24
- postoperatively28
- predevelopments31
- prefiguratively31
- primitivenesses26
- prognosticative28
- progressiveness25
- prohibitiveness28
- promotivenesses26
- provocativeness30
- purposivenesses27
- radioprotective26
- receptivenesses26
- recessivenesses23
- reclusivenesses25
- recursivenesses24
- reductivenesses25
- reduplicatively31
- reflexivenesses31
- reinvestigating25
- reinvestigation23
- rejuvenescences37
- remonstratively26
- representatives23
- repulsivenesses25
- resistivenesses20
- restrictiveness23
- retentivenesses21
- retrogressively24
- retroreflective26
- retrospectively28
- reversibilities23
- seclusivenesses25
- secretivenesses23
- seductivenesses25
- selectivenesses24
- sensitivenesses21
- seroconversions24
- silversmithings28
- subcontraoctave30
- subdevelopments32
- substantiveness25
- superconductive32
- superconvenient29
- supergovernment30
- superlativeness25
- suppressiveness27
- talkativenesses25
- tentativenesses21
- tergiversations22
- ultraconvenient27
- uncommunicative35
- uncontroversial26
- undemonstrative26
- underinvestment27
- unimaginatively30
- uninformatively31
- universalnesses23
- unobtrusiveness26
- venerablenesses25
- ventriloquially35
- ventriloquistic34
- ventriloquizing43
- venturesomeness25
- venturousnesses23
- veraciousnesses24
- verifiabilities26
- verisimilitudes25
- veritablenesses24
- versatilenesses21
- vexatiousnesses28