curlicue ['kə:likju:] curly+cue
a fancifully curved or spiral figure
intransitive verb : to form curlicues
transitive verb : to embellish with curlicues
n. 花体；花饰（等于curlycue）
vi. 形成花体
vt. 以花体装饰

古法语cue[kju:]
发辫;排长队

queue [kju:]
a line of people, usually standing or in cars, waiting for something
a lot of people wanting something
to wait in a line of people, often to buy something
a braid of hair usually worn hanging at the back of the head
n. 队列；长队；辫子
vi. 排队；排队等候
vt. 将…梳成辫子；使…排队

词组短语
queue up v. 排队等候

例句
By 10 o'clock a long queue had formed outside the bank.
到十点钟时, 银行门外已经排成了长队。

coda ['kəudə] 来自拉丁词根caud
a piece of music at the end of a longer piece of music, which is usually separate from the basic structure
the final or additional part of a speech, event or piece of writing:
n.结尾部分；终结句；尾声；终曲

cauda['kaudə]
a taillike appendage : tail
n.[解剖][动] 尾；尾状物。

coward['kauəd] cow 是拉丁词根caud表示尾巴的变体 u-v-w 互换讲过很多次了
bastard n.杂种和drunkard n.醉鬼 这个单词的后半部分ard是一个表示贬义的后缀。
a person who is too eager to avoid danger, difficulty or pain
n.懦夫，懦弱的人
adj. 胆小的，懦怯的。

cowardice['kauədis]
n. 怯懦；胆小

例句
Only a coward would run from danger.
只有懦夫才临危脱逃。
There was a coward silence when the stern principal came in.
严厉的校长走进来时,大家胆怯得不敢出声。

可以联想一下常见的家畜狗，如果狗表示害怕了，尾巴一般都会垂下来，在两腿之间耷拉着落荒而逃