pewee (n.)youdaoicibaDictYouDict[pewee 词源字典]
"flycatcher, lapwing," 1810, variant of pewit (q.v.). See also peewee.[pewee etymology, pewee origin, 英语词源]
phoebe (n.)youdaoicibaDictYouDict
small North American flycatcher, pewit, 1700, phebe, so called in imitation of its cry; spelling altered (1839) by influence of the woman's proper name Phoebe.