Attaining rhymes with:
abstaining, ascertaining, containing, detaining, entertaining, maintaining, obtaining, pertaining, retaining, staining, sustaining
Attaining sounds like:
adam's, adamcik, adamczak, adamczyk, adamec, adamek, adames, adamik, adamkus, adamowicz, adams, adams', adams's, adamski, addams, adding, additions, admonish, admonishes, adonis, aetna's, aiding, atencio, athanas, athanassiou, athans, athenaios, athenians, athens, atienza, atomic, atoms, attains, attanasio, audience, audience's, audiences, auditing, auditioning, auditions, autonomic, autonomous, autumn's, awaiting