RhymeSource App for iOS
'RhymeSource is a rhyming dictionary for your iphone/ipod with over 190,000 available words.
An essential tool for songwriters and poets. RhymeSource has a simple, intuitive interface to make finding your rhymes easy.
Expand syllable groups to see the rhymes in more detail.
Filter out phrases and names.
RhymeSource looks for the phonetic stress in your search word and matches other words with the same stress.
Search for head, for example and (among many others), you will get bled, Med, bed, lead, led. (primary stress on the 'ed' sound)
Search for abated, and you get baited, feted, grated etc. (primary stress on 'a-ted')'
This app costs $.99