■ seasonable 与 seasonal

前者表示“合乎时令”、“合乎季节”。

• Snowy weather is seasonable here in January.这里一月份的下雪天气是合乎时令的。

后者则表示“季节性的”（非常年的）。

• seasonal workers季节工人
• seasonal allergies季节性过敏
• seasonal adjustments扣除季节性因素的调整。

• consume
• contact
• contagious
• contagious 与 infectious
• contempt
• contemptible
• contemptible 与 contemptuous
• contempt of court
• contemptuous
• content
• contentious
• contiguous
• continent
• continual
• continual 与 continuous
• continuous
• contrary to
• contribute
• contribute 与 contribution
• contribution
• control
• controversial
• controversial 与 contentious
• convenient
• convince