portiastudies:

SAT/ACT vocabulary

1. 5,000 FREE SAT Vocabulary Words
   
2. 100 Common SAT/ACT Vocabulary Flash Cards
   
3. Must-Know Words for the ACT
   
4. 250 Most Difficult SAT/ACT Vocabulary Words
   
5. SAT Vocabulary Videos
   
6. Top 1,000 SAT/ACT Words
   

Latin Vocabulary

1. Latin Word List
2. 100 Most Common Latin Words
3. Latin Core Vocabulary

French Vocabulary

1. 100 Topic Specific Vocabulary Lists
2. English-to-French Basic Phrases
3. 20 French Phrases to Know

Spanish Vocabulary

1. Spanish Vocabulary Lists
   
2. 100 Need-to-Know Spanish Words
   
3. 100 Most Common Spanish Verbs
   
4. Common Spanish Phrases and Words Translated from English
   

Mandarin Chinese Vocabulary

1. Ultimate List of Mandarin Chinese Vocabulary Lists
   
2. Practice Mandarin Vocabulary
   

Italian Vocabulary

1. 1,000 Italian Vocabulary Words
2. English to Italian Vocabulary
3. Basic Italian Phrases for Travelers

German Vocabulary

1. 1,000 Most Common German Words
   
2. Basic Phrases, Vocabulary, and Grammar
   

German Word of the Day

Japanese Vocabulary

1. How to Increase your Japanese Vocabulary, List of Vocabulary Lists
   
2. Free Japanese Vocabulary Words
   

Arabic Vocabulary

1. List of Arabic Vocabulary Lists
2. Arabic Core 100 Word List
3. Basic Arabic Vocabulary

Interesting English Words to Know

1. 15 English Words You Probably Don’t Know
   
2. 20 Words That Make You Sound Smarter
   
3. 60 Cool Vocab Words
   
4. Word of the Day
   

If there are any other languages/links you think should be added, message me.

Good luck!