steam·fit·ter 
(stēmfĭt′ər)
(stēmfĭt′ər)n.
One who installs and repairs heating, ventilating, refrigerating, and air-conditioning systems.
steamfit′ting n.
- disserve
- disservice
- dissever
- disseverance
- disseverment
- dissidence
- dissident
- dissilient
- dissimilar
- dissimilarity
- dissimilarly
- dissimilate
- dissimilation
- dissimilitude
- dissimulate
- dissimulation
- dissimulative
- dissimulator
- dissipate
- dissipated
- dissipatedly
- dissipatedness
- dissipater
- dissipation
- dissipative