My BOYfriend is a DOCtor.
The word boyfriend has two syllables carrying the stress in the first one as well as the word doctor.
Word stress refers to a word with more than one syllable, in which one (or more than one) syllable will be stressed or accented. And the rest will be unstressed, or, unaccented. Stressed or accented syllables will be higher in pitch, longer in duration, and generally a little louder than unstressed or unaccented syllables
