13 letters
- reassumptions21
- recompilation24
- recomposition23
- recomputation24
- redemptioners21
- reemphasizing33
- reemployments26
- reimportation20
- reimpositions20
- reimpressions20
- scrumptiously27
- semiempirical26
- sempiternally24
- slumpflations26
- subcomponents28
- subemployment30
- sumptuousness23
- supercomputer27
- superimposing26
- sympathectomy31
- sympatholytic29
- sympatrically28
- symphonically31
- symphoniously28
- temperamental24
- temperateness20
- tempestuously24
- temporalities20
- temporalizing32
- temporariness20
- temporization29
- trampolinings24
- trampolinists21
- triumphalisms26
- triumphalists23
- unaccompanied29
- uncompensated26
- uncompetitive28
- uncomplaining29
- uncomplicated29
- underemphases24
- underemphasis24
- underemployed26
- unemployables28
- unemployments28
- unimpassioned23
- unimpeachable30
- unimpeachably32
- unimplemented27
- unimportances25
- unsympathetic28
- unsymptomatic29
- wafflestomper29
- wimpishnesses25