Ending in AR
- amphiprostylar
- antitubercular
- cardiovascular
- extravehicular
- gastrovascular
- hepatocellular
- intermolecular
- intramolecular
- macromolecular
- microfibrillar
- multimolecular
- nonspectacular
- orthomolecular
- overparticular
- supramolecular
Ending in ER
- antifilibuster
- autobiographer
- braunschweiger
- complementizer
- conceptualizer
- concertmeister
- counterpuncher
- demisemiquaver
- diffractometer
- epigrammatizer
- gyrostabilizer
- interferometer
- intervalometer
- kindergartener
- metallographer
- micropublisher
- multicharacter
- multiparameter
- nonphilosopher
- remanufacturer
- revolutionizer
- schlockmeister
- scintillometer
- teletypewriter
- troubleshooter
- underperformer
- whippersnapper
Ending in OR
- bronchodilator
- coinvestigator
- decontaminator
- excommunicator
- microprocessor
- microprojector
- multiconductor
- multiprocessor
- procrastinator
- prognosticator
- retroreflector
- superconductor
- thermoreceptor
- turbogenerator