1.generic a．種類的（relating to or having the rank of a biological genus）；類屬的(relating to or characteristic of a whole group or class)

詞根記憶：來自genus(n.種類)；注意不要和genetic(a．遺傳的；起源的)相混

例：In addition to imposing a price freeze, the government encouraged doctors to prescribe generic versions of common drugs instead of the more expensive brand-name versions.

派生詞：generically( ad. -般地；類屬地)

2.genetic a．基因的，遺傳的(of．relating to，or controlled by genes)

詞根記憶：來自gene(n．基因)

例：genetic code遺傳密碼

派生詞：genetics(n.遺傳學)：genetically( ad.由基因決定地)

3.genial a．親切的(gracious)：和藹的(friendly)

聯想記憶：gen(產生)+ial-產生好感的-親切的

注意：genital(a．生殖的)

例：a genial character和藹的性格

4.gentry n.貢族，紳士，上等人(people of gentle birth, good breeding, or high social position)

聯想記憶：gen(產生)+try_出生于高貴門第--貴族

例：The political and social privileges enjoyed by the landed gentry would have been destroyed.

5.genuine a．真正的(real, actual)

詞根記憶：genu(=gen產生)+ine --產生，來源清楚--真正的

例:genuine leather真皮

6.geographic a．地理的：地理學的(of or relating to geography)

詞根記憶：來自geography(n．地理)

例：The North Pacific populations of seals and sea lions cover a wider geographic area than does the population of sea otters.

同根詞：geographer(n.地理學者)

7.geological a．地質的(of, relating to, or based on geology)

詞根記憶：來自geology(n.地質學)

例：The ways in which a particular geological phenomenon is exceptional are detailed and classified.

派生詞：geologically( ad.從地質學角度)

同根詞：geologist(n．地質學家)

8.geoNogist n.地質學家(a person who deals with the history of the earth and its life)

詞根記憶：geo(地，地球)+log(記錄)+ist(專家)-記錄地球的專家-地質學家

例：Henry's findings provided support for an assumption long held by geologists.

同根詞：geography(n．地理學)；geocentric(a．以地球為中心的)

9.geometric a．幾何的(of, relating to, or according to the methods or principles of geometry)；成幾何級數增長的(increasing in a geometric progression)

詞根記憶：來自geometry(n．幾何學)