

I've had a backache since Monday.
[ˈaɪv həd ə ˈbækˌeɪk ˈsɪns ˈmənˌdeɪ.]
Lots of office workers complain about backaches.
[ˈlɑts əv ˈɑfəs ˈwɜrkərz kəmˈpleɪn əˈbaʊt ˈbækˌeɪks.]
Do you get backache after long drives?
[ˈdu jə ˈɡɛt ˈbækˌeɪk ˈæftər ˈlɔŋ ˈdraɪvz?]
"backache" is in the lesson "Sickness" (Level 9), along with 17 other useful words. LinDuo has 180 topic lessons like this one, 2,375 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.