jam - nacpat (něco někam), narvat (něco někam), zablokovat, ucpat se, ucpat, zablokovat se
BrE
/'dʒæm/
AmE
/'dʒæm/

verb - to put/be in a very small place with many others, to make something not passable, to become not passable

jar
jar - sklenice (zavařovací)
BrE
/'dʒɑ:/
AmE
/'dʒɑ:r/

noun - a glass container with a wide mouth, it is used e.g. for jam, pickles etc.

 
joy - radost, veselí
BrE
/'dʒɔɪ/
AmE
/'dʒɔɪ/

noun - great happiness

joke
joke - vtip
BrE
/'dʒəʊk/
AmE
/'dʒoʊk/

noun - a short funny story with a punchline that should make people laugh

journey
journey - cesta
BrE
/'dʒɜ:ni/
AmE
/'dʒɜ:rni/

noun - a trip from one place to another

 
just - jen, prostě
BrE
/'dʒʌst/
AmE
/'dʒʌst/

adverb - only

 
jazz - jazz, džez
BrE
/'dʒæz/
AmE
/'dʒæz/

noun - a music style with a strong rhythm, it comes from African Americans

jogging
jogging - běhání
BrE
/'dʒɒgɪŋ/
AmE
/'dʒɑ:gɪŋ/

noun - running to keep fit

job
job - zaměstnání
BrE
/'dʒɒb/
AmE
/'dʒɑ:b/

noun - the things that you do for a living

July
July - červenec
BrE
/dʒu'laɪ/
AmE
/dʒə'laɪ/

noun - the second summer month

June
June - červen
BrE
/'dʒu:n/
AmE
/'dʒu:n/

noun - the first summer month

January
January - leden
BrE
/'dʒænjuəri/
AmE
/'dʒænjueri/

noun - the first month of the year

jam
jam - džem
BrE
/'dʒæm/
AmE
/'dʒæm/

noun - a kind of jelly-like thing that is made of fruits and people put it on bread or in cakes etc.

juice
juice - džus, šťáva (z ovoce, zeleniny)
BrE
/'dʒu:s/
AmE
/'dʒu:s/

noun - the liquid that comes from fruit or vegetables or a drink made from such liquids

 
jazz - jazz
BrE
/'dʒæz/
AmE
/'dʒæz/

noun - a music style with a strong rhythm. It comes from African Americans