zodiac |ˈzəʊdɪæk| — a belt-shaped region in the heavens on either side to the ecliptic; divided into 12 constellations or signs for astrological purposes

zodiacal |zəʊˈdaɪəkəl| — relating to or included in the zodiac

zoic |ˈzəʊɪk| — pertaining to animals or animal life or action

zombi |ˈzɔmbɪ| — (voodooism) a spirit or supernatural force that reanimates a dead body

zombie |ˈzɑːmbɪ| — a dead body that has been brought back to life by a supernatural force

zona |ˈzəʊnə| — (anatomy) any encircling or beltlike structure

zonal |ˈzəʊnəl| — relating to or of the nature of a zone

zone |zəʊn| — a locally circumscribed place characterized by some distinctive features

zoned |zəʊnd| — simple past tense and past participle of zone

zoning |ˈzəʊnɪŋ| — dividing an area into zones or sections reserved for different purposes such as residence and business and manufacturing etc

zonked |zɑːŋkt| — (slang) Extremely fatigued.

zoo |zuː| — the facility where wild animals are housed for exhibition

zoogeography |ˌzəʊədʒiːˈɑːɡrəfiː| — The scientific study of the geographical distribution of animal species.

zoologic  — zoological

zoological |ˌzuːəˈlɑːdʒɪkl| — concerning the study of animals and their classification and properties

zoologist |zəʊˈɒlədʒɪst| — a specialist in the branch of biology dealing with animals

zoology |zəʊˈɑːlədʒɪ| — all the animal life in a particular region or period

zoom |zuːm| — a rapid rise

zooming |ˈzuːmɪŋ| — Present participle of zoom.

zoophyte |ˈzəʊəfaɪt| — any of various invertebrate animals resembling a plant such as a sea anemone or coral or sponge

zooplankton |ˈzuːə(ʊ)ˌplaŋ(k)t(ə)n| — animal constituent of plankton; mainly small crustaceans and fish larvae

zoosperm  — (biology) One of the spermatic particles; spermatozoid, spermatozoon.

zoospore |ˈzuːəspɔː| — an asexual spore of some algae and fungi that moves by means of flagella

zooty  — (dated, informal) stylish, flashy, snappy.

zoster |ˈzɑːstər| — eruptions along a nerve path often accompanied by severe neuralgia

zounds |zaʊndz| — Expressing anger, surprise, assertion etc.