汉： -tude抽象名词后缀，意为“state,quality,act”，后缀-tude的前面常跟字母i,构成后缀-itude
英：syllable formed when the word-forming element -ude, forming abstract nouns from adjectives and participles, is fixed to a base or to another suffix ending in -t or -te; from Fr. -ude, from L. -udo (gen. -udinis). As a word in its own right, teenager slang shortening of attitude, it dates from 1970s.
1.aptitude
n.natural or acquired talent 天资；习性；倾向 apt=fit
An aptitude test is given to each applicant to determine his suitability ror the job.
为测定是否适合工作职位，每一位申请人都要参加能力倾向测试。 2.fortitude
n.calm courage in the face of pain,danger,or difficulty 坚忍；刚毅 fort=strong
He was a leader of unprecedented moral fortitude.
他是一位前所未有的品行端正、坚忍刚毅的领导人。 3.latitude
n.distance north or south of the equator measured in degree 纬度；回旋余地，自由 lat=wide
The higher you move up in the military ,the more latitude you are given in your decision making.
你在军中的地位越高，被赋予的决定权力的自由就越大。 4.longitude
n.distance east or west from a meridian,especially that of Greenwich,in London 经度；经线
The satellite pinpoints the ship's latitude and longitude to within 10 meters accuracy.
卫星能够准确地确定船只的经度和纬度，误差不超过10米。 5.recitude
n.honesty;upright or straightforward behavior 正直；正直的行为；rec=lead straight
Rectitude is a rare quality among politicians.
正直对于政治家来说是极为珍贵的品质。 6.similitude
n.相似，类似 simil=same
There is a similitude in design among all the cars Volve makes.
沃尔沃制造的汽车都很相似。