| giant bubble | Riesenseifenblase |
| giant burrowing cockroach | Australische Grossschabe |
| giant buttercup | Butterblume |
| giant cactus | Kandelaberkaktus |
| giant cane | Riesenschilf |
| Giant Cask | Dürkheimer Riesenfass |
| giant cat-mint | Grossblütige Katzenminze |
| giant catmint | Grossblütige Katzenminze |
| giant cedar | Riesenlebensbaum |
| giant cell | Riesenzelle |
| giant cell aortitis | Riesenzellaortitis |
| giant cell arteritis , GCA | Arteriitis gigantocellularis |
| giant cell carcinoma , GCC | Riesenzellenkarzinom |
| giant cell epulis | Riesenzellepulis |
| giant cell formation | Riesenzellbildung |
| giant cell granuloma | Riesenzellgranulom |
| giant cell hepatitis | Riesenzellhepatitis |
| giant cell myocarditis | Riesenzellmyokarditis |
| giant cell pneumonia | Riesenzellpneumonie |
| giant cell sarcoma | Riesenzellensarkom |
| giant cell thyroiditis | Riesenzellthyreoiditis |
| giant cell tumor , GCT | Riesenzellentumor , RZT |
| giant cell tumour , GCT | Riesenzellentumor , RZT |
| giant cells | Riesenzellen |
| giant clam | Große Riesenmuschel |
| giant clams | Riesenmuscheln |
| giant cockroach | Grossschabe |
| giant combine | Mammutkonzern |
| giant conebill | Riesenspitzschnabel |
| giant coot | Riesenbläßhuhn |
| giant cow parsley | Riesenbärenklau |
| giant cow parsnip | Riesenbärenklau |
| giant cow-parsnip | Riesenbärenklau |
| giant cowbird | Riesenkuhstärling |
| giant cowparsnip | Riesen-Bärenklau |
| giant danio | Malabakärpfling |
| giant deer | Riesenhirsch |
| giant desert hairy scorpion | Grosser Texas-Skorpion |
| giant Dutch crocus | Frühlingskrokus |
| giant eland | Riesen-Elenantilope |
| giant emperor moth | Wiener Nachtpfauenauge |
| giant fennel | Riesenfenchel |
| giant fennels | Steckenkräuter |
| giant fir | Riesentanne |
| giant flying squirrel | Riesen-Gleithörnchen |
| giant flying squirrels | Riesen-Gleithörnchen |
| giant follicle lymphoma | grossfollikuläres Lymphom |
| giant follicular lymphoma | grossfollikuläres Lymphom |
| giant follicular thyroiditis | Riesenzellthyreoiditis |
| giant forest pig | Riesenwaldschwein |
| giant four-toothed whale | Baird-Schnabelwal |
| giant frogfish | Riesen-Anglerfisch |
| giant geranium | Kanaren-Storchschnabel |
| Giant Gippsland earthworm | Megascolides australis |
| Giant golden-crowned flying fox | Goldkronen-Flughund |
| giant golden-rod | Riesengoldrute |
| giant goldenrod | Riesengoldrute |
| Giant gourami | Riesenguramis |
