Decline

Abnahme

(deterioration of condition; weakening or worsening)

Entspannung

(reduction or diminution of activity, prevalence or quantity)

Fall

(downward movement, fall)

Gefälle

(sloping downward)

Nachlassen

(reduction or diminution of activity, prevalence or quantity)

Rückgang

(deterioration of condition; weakening or worsening)

Schwächung

(deterioration of condition; weakening or worsening)

Sinken

(downward movement, fall)

ablehnen

(refuse)

abnehmen

(become weaker or worse)

deklinieren

(inflect)

fallen

(move downwards)

sinken

(move downwards)

zurückgehen

(become weaker or worse)