Sentence:  Do you say chantey , as if the word were derived from the French word chanter , to <WSD>sing</WSD> , or do you say shanty and think of a roughly built cabin , which derives its name from the French-Canadian use of the word chantier , with one of its meanings given as a boat-yard ? 
Meaning of the word marked with <WSD> tags:  produce tones with the voice