Fieldwork rhymes with:
beadwork, groundwork, hardwork, leadwork, roadwork, spadework, woodwork, artwork, beadwork, brushwork, casework, clockwork, earthwork, firework, footwork, framework, groundwork, guesswork, handiwork, hardwork, homework, housework, latticework, leadwork, legwork, masterwork, metalwork, needlework, network, openwork, paperwork, patchwork, piecework, plasterwork, roadwork, schoolwork, spadework, teamwork, voicework, wallwork, waterwork, woodwork
Fieldwork sounds like:
falters, feltrax, fielder's, fielders, filters, flathers, floaters, floodwaters, flutters, folders