• zoomy,
• zeor,
• noo,
• zoiu,
• hoo,
• voo,
• poo,
• roo,
• ooo,
• zeroo,
• zeo,
• weoo,
• doo,
• koo,
• zoe,
• zio,
• koow,
• zoui,
• zoon,
• foo

• PSW,
• xiii,
• SWE,
• Sao,
• Zoee,
• 1970s,
• sioux,
• 1770s,
• sea,
• Seah,
• HS592,
• X03,
• see,
• CI719,
• Seigh,
• saw,
• 1880s,
• CI634,
• Zoie,
• Zoea,
• A-sea,
• CI716,
• soy,
• ceo,
• 1840s,
• SCE963,
• Sai,
• Scye,
• Zay,
• xyy,
• SEO,
• zee,
• CI825,
• XAUI,
• SE1520,
• psa,
• Seyh,
• 1850s,
• 1950s,
• PSS,
• Xiao,
• Zoi,
• Soe,
• X10,
• SSH,
• Cye,
• Zoia,
• sou-sou,
• afl-cio,
• S852,
• 1760s,
• Sayo,
• 1870s,
• X5108,
• kam-sui,
• 1980s,
• Sauh,
• Zooey,
• S578,
• 1860s,
• CI628,
• 1820s,
• 1920s,
• hs1,
• SIO,
• CI52040,
• SOI,
• ciao,
• CI581,
• CY216,
• sow,
• CI898,
• 1890s,
• cia,
• sou,
• Sweigh,
• 6059S,
• 1780s,
• SAA,
• xai-xai,
• Z80,
• Zoya,
• sway,
• Zowie,
• S6059,
• X11,
• sue,
• CZI,
• sew,
• Z,
• X02,
• HSS,
• WSI,
• HHS,
• SE30,
• 1930s,
• S9490,
• Zoa,
• wsw,
• Sewe,
• cio,
• SS7,
• CIE,
• SCE129,
• sigh,
• S6472,
• Seye,
• psi,
• SWI,
• sea-ear,
• SUI,
• ZAA,
• CY116,
• Zia,
• 1960s,
• 1750s,
• 1940s,
• 1900s,
• sooy,
• Sea-bar,
• 4SW,
• WCI,
• CI888,
• WCE,
• WSA,
• Zoey,
• Sau,
• S1520,
• soya,
• Cee,
• Zoe,
• 1990s,
• CEA,
• Sayeh,
• say,
• WSS,
• CEI,
• PS2,
• SCI,
• soh,
• PS3,
• S3151,
• SEU,
• CI919,
• 1790s,
• PSE,
• Ziya,
• HSE,
• SUO,
• zea,
• Siu,
• Hsiu,
• hs2,
• PSU,
• PSO,
• xii,
• Swa,
• sse,
• X08,
• SCE,
• HSA,
• Sye,
• HSI,
• See-saw,
• 1530s,
• SEH,
• Zoyya,
• SSA,
• HCI,
• ZEI,
• Xia,
• Soo,
• ssw,
• say-so,
• ZEO,
• SSI,
• 1830s,
• Sea-orb,
• SAE,
• Mid-sea,
• SCE1365,
• S18506,
• HSE/HSI,
• HCE,
• SOA,
• SA79,
• Sey,
• CYA,
• SIE,
• seaway,
• S1702,
• Bow-saw.

The adjective form of the word "zoo" is "zooological". However, it is more common to use the term "zoological" to refer to the study or science of zoology rather than as an adjective to describe something pertaining to a zoo.

The plural of the "zoo" can be the "zoos".

The singular of the "zoo" can be the "zoo".