Tientsin vs T'ien-ching

Tientsin and T'ien-ching both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tientsin	Yes	No	No	No
T'ien-ching	Yes	No	No	No

As nouns, Tientsin and T'ien-ching are synonyms defined as:

Tientsin and T'ien-ching: a major industrial center in northeastern China on the Grand Canal near the Yellow Sea; 3rd largest city in China

Other synonyms of Tientsin include Tianjin.

Tientsin (noun)	T'ien-ching (noun)
a major industrial center in northeastern China on the Grand Canal near the Yellow Sea; 3rd largest city in China	a major industrial center in northeastern China on the Grand Canal near the Yellow Sea; 3rd largest city in China