zwie·back 
(swēbăk′, -bäk′, swī-, zwē-, zwī-)
(swēbăk′, -bäk′, swī-, zwē-, zwī-)n.
A usually sweetened bread first baked as a loaf and later cut into slices and toasted.
[German : zwie-, twice (from Middle High German zwi-, from Old High German; see dwo- in the Appendix of Indo-European roots) + backen, to bake (from Middle High German, from Old High German bahhan, backan).]
- homologize
- homologous
- homolographic
- homolographic projection
- homologue
- homologue
- homology
- homolosine projection
- homolysis
- homolytic
- homomorphic
- homomorphism
- homomorphous
- Homo neanderthalensis
- homonym
- homonymic
- homonymous
- homonymously
- homonymy
- Homoousian
- homophile
- homophilous
- homophily
- homophobe
- homophobia