Here is a list of verbs that start with TRA.
trace, traced, traces, tracing, track
tracked, tracking, trade, traded, trades
trading, traditionalized, trafficked, trail, trailed
trailing, train, trained, training, trains
traipsing, trammel, tramped, trample, trampled
transact, transcend, transcended, transcending, transcends
transcribe, transcribed, transfer, transfered, transferred
transferring, transfers, transform, transformed, transforming
transforms, transgressed, translate, translated, translates
translating, transmit, transmits, transmitted, transmitting
transmuted, transpirating, transpired, transpiring, transplant
transplanted, transplanting, transport, transported, transporting
transports, transposed, trapped, trapping, traps
travel, traveled, traveling, travelled, travelling
travels, traverse, traversed, traversing, travesty
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