連

link; take along; lead; join; connect; party; gang; clique

10 strokes. Taught in grade 4. Newspaper frequency rank 30.

Readings

レン (on reading): 連絡 (れんらく) contacting; 連続 (れんぞく) continuation
つれる (kun reading): 連れる (つれる) to take (someone) with one; 連れ出す (つれだす) to take (someone) out (for a walk, to lunch, etc.)
つらねる (kun reading): 連ねる (つらねる) to line up; 書き連ねる (かきつらねる) to write down one after another
つらなる (kun reading): 連なる (つらなる) to extend; 連なり (つらなり) series (of something)
づれ (kun reading): 道連れ (みちづれ) fellow traveler; 家族連れ (かぞくづれ) taking the family along

連絡 (れんらく) contacting
連続 (れんぞく) continuation
関連 (かんれん) relation
連載 (れんさい) serialization
連 (れん) two reams (of paper)
連れる (つれる) to take (someone) with one
連れ出す (つれだす) to take (someone) out (for a walk, to lunch, etc.)
引き連れる (ひきつれる) to take (someone) along
連れ去る (つれさる) to take (someone) away
連れ込む (つれこむ) to bring (someone into a place)
連ねる (つらねる) to line up
書き連ねる (かきつらねる) to write down one after another
名を連ねる (なをつらねる) to have one's name entered (in a list)
美辞麗句を連ねる (びじれいくをつらねる) to declaim
袂を連ねる (たもとをつらねる) to do in unison
連なる (つらなる) to extend
連なり (つらなり) series (of something)
六連星 (むつらぼし) The Pleiades
道連れ (みちづれ) fellow traveler
家族連れ (かぞくづれ) taking the family along
子連れ (こづれ) taking one's children along (to an event, into a new marriage, etc.)
連れ (づれ) in the company of
二人連れ (ふたりづれ) party of two
連 (むらじ) Muraji (hereditary title; orig. one of the two highest such titles, later demoted to seventh highest of eight)
注連 (しめ) rope used to cordon off consecrated areas or as a talisman against evil
注連飾り (しめかざり) decorating shrines and gates with shimenawa ropes for the New Year

858 words in all.