They are both within the zone of the unaccented syllable of the iamb.
2
Should properly be called a double iamb or ionic minor since 'good-bye' is double-stressed:
3
The group seems an iamb with a duplicated unaccented syllable.
4
The group seems a sort of combination of the iamb and trochee, and has an element in every possible zone of the movement cycle.
5
Some very obvious but nonetheless interesting observations about how English is spoken-meet metre-the iamb-the iambic pentameter-Poetry Exercises 1 & 2
Ús de iambus en anglès
1
The genitive in Saxon would be mannes, a trochee; in English, of man, an iambus.
2
Never take an iambus as a Christian name.
3
The daintiest alternation of iambus and trochee is joined to the serpent's cunning in swiftly tripping dactyls.
4
He could make Greek iambics, and doubted whether the bishop knew the difference between an iambus and a trochee.
5
The elegy and iambus contain the germ of the lyric style, though they do not themselves come under that head.
6
It has also been proposed to make the third foot a spondee or an iambus, and the remaining feet anapaests, thus:
7
An Iambus has the first syllable unaccented, and the last accented; as, Bĕtrāy,consíst