Pettigrew rhymes with:
mulgrew, shugrue, sugrue, andreu, andrew, carew, chesebrough, curcuru, deroo, ecru, erburu, hebrew, huairou, kakumaru, kanemaru, kennebrew, killebrew, kinnebrew, landrieu, larew, lerew, majrooh, masaru, minoru, mitsuru, muldrew, mulgrew, noboru, petru, renfrew, shigeru, shugrue, sugrue, sukru, toru, toshiharu, unrue, unruh
Pettigrew sounds like:
patzer, pedicure, pedigree, pitcher, pitzer, potiker, potteiger, putzier